【正文】 ________ again and again.A．laughing B．laughed C．laugh D．to laugh5．The examination is ing. What else should we pay attention to ________our grades?A．to improve B．improving C．improve D．improved6．As a teacher, I chose those classical songs I listened to ________ my students these days.A．relax B．relaxing C．to relax D．relaxed7．— I decide ___________ hard on my English.—You need to speak as much as possible.A．working B．worked C．to work D．work8．—I feel stressed at times, but I don’t know________about it.—You can e to me whenever you need.A．whom to talk B．when to talk C．who to talk to D．when to talk to9．An early bird catches the worm means that you have to do something ahead of others ___success.A．a(chǎn)chieving B．a(chǎn)chieve C．to achieve D．to achieving10．Huawei has succeeded in ________new software for his products. I can’t wait ________a new Huawei mobile.A．developing, to buy B．developed, buying C．developing, buy D．develop, buying11．Life is about waiting for the right moment_____, because everyone is in his own TIME ZONE.A．a(chǎn)cting B．to act C．a(chǎn)ct D．a(chǎn)cts12．The doctor warned the patient oily food after the operation.A．not to drink B．to drink C．not to eat D．not eat13．Fans all over the country are talking about ________ this football team has never won any match and ________ to do with it.A．whether。 how B．why。 what D．why。s place in the army.A．to fight B．fighting C．fights D．fought19．Dan shows an interest in musical instruments and is often heard _____ the guitar.A．play B．played C．playing D．to play20．During the Spring Festival, we Chinese people ___ door gods on gates, but now few families do so.A．used to put up B．used to put inC．were used to put up D．were used to putting in21．There ______ a group of people _______on the beach.A．is, lying B．a(chǎn)re, lying C．have, laid D．has,lie22．I must get my homework ____,A．done B．does C．do D．did23．He tried to make himself ________ by his students, but he failed.A．understand B．understoodC．understands D．understanding24．—There is something wrong with your bike,isn’t there?—Yes. I’ll have it tomorrow.A．repair B．repairingC．repaired D．to repair25．I like watching people _____in the street.A．walking B．walked C．to walk D．be walking26．There is something wrong with my DVD player. I’ll have it ________.A．fixing B．to fix C．fixes D．fixed27．I think that AI(人工智能) ________ in many fields will ________ to help us solve many problems in the future.A．used；be used B．is used；be used C．used；use28．－Don’t you think your hair is too long?－Yes. I am going to have it ________ soon.A．cut B．cuts C．cutting D．to cut29．—My bike is broken.—Why not have it________?A．repair B．repaired C．repairing D．to repair30．In his , David promised _________his daughter during her stay in Japan.A．visiting B．visit C．visited D．to visit31．_____ a GPS will make _______ easier for everyone to visit a strange place.A．Take, her B．Taking, that C．Taking, it D．Take, this32．_________ with Huawei and Xiaomi, Apple seems to have lost its attraction in the past few months．A．Comparing B．Compared C．Connecting D．Connected33．Snakes don’t have ears but they can feel things ________.A．moving B．move C．moved D．to move34．Is Jack in the next room ?It’s hard to say. But I heard him _____ loudly when I passed by just now.A．speak B．to speak C．spoken D．speaking35．－Look! So many people are walking into the museum. What are on show?－Some 3D pictures by some modern artists.A．draws B．drew C．drawn D．drawing36．Lily’s parents always encourage her ____out her opinions.A．speak B．speaking C．to speak D．spoken37．—Nowadays, many young people get used to________ late every day.—Exactly. But that’s not a good habit.A．stay up B．staying up C．stay out D．staying out38．The Smiths are considering ________ to England because they ________ the cold weather there.A．not to move。t used to B．not moving。t use toC．not to move。t use to D．not moving。t used to39．The girl is so helpful that she devoted all her spare time she had ________ others.A．to h