【正文】 By using ordinary puters, NASA scientists are busy________ at home to control a space rover(天體登陸車）on the Red Planet. .A．to programme B．programming C．programme D．with programming43．China has successfully prevented the Covid19 from _______ through the country.A．spread B．to spread C．spreading D．spreads44．Don’t forget ________ the door when you leave here.A．lock B．locking C．to lock D．locked45．All of us should know what attention should be paid to __________ a more beautiful Huai39。s impolite to keep someone________ for a long time.A．wait B．to wait C．waiting D．have waited34．Snakes don’t have ears but they can feel things ________.A．moving B．move C．moved D．to move35．When Tom saw his mother ______ for him on a cold winter night, he couldn’t keep back his tears.A．wait B．waited C．to wait D．waiting36．Look! There _______ so many people _________here. Do you know what has happened?A．is, standing B．a(chǎn)re, are standing C．a(chǎn)re, standing37．—Your hair is too long. —Haha. I just want to have my hair ______this afternoon.A．to cut B．cutting C．cut D．cuting38．________ by green trees and lovely animals, the visitors to Cherry Trees Farm were quite relaxed.A．Surrounded B．Surround C．Surrounding D．To surround39．The film _______ reallife events ________ by Li An. It’s moving.A．based upon, directed B．based upon, was directedC．was based upon, directed D．was based upon, was directed40．I would rather spend time ______ at home than ______ out with you.A．staying。 seeing B．to manage。 as B．written。 to saving B．having 。 stay B．to play。 to work C．to stay。 to work B．staying。d rather _______ at home and watch TV because of my aching feet. A．play。 stay9．I still like those good old songs I listened to _________ myself in my free time.A．enjoy B．enjoying C．to enjoy D．enjoyed10．—Mr. Zhang has remended lots of books in the reading class. Have you decided ________first?—Yes. Fantastic Mr. Fox is my first choice.A．how to read B．which to read C．when to read D．where to read11．— You’d better advise him ________ anything out of the window while driving.— OK, I will.A．not throw B．no throwing C．don’t throw D．not to throw12．I prefer ______ the cheaper one of the two sweaters _____ some money for a dictionary.A．to have 。t allow us _____ in the river alone.A．swimB．to swimC．swimmingD．swam19．When you are home, give a call ___________ me know you have arrived safely.A．let B．to let C．letting D．be let20．When his name was called, I saw him ________ from his seat.A．rose B．rising C．to rise D．rise21．There ______ a group of people _______on the beach.A．is, lying B．a(chǎn)re, lying C．have, laid D．has,lie22．Every morning when the sun ______, plenty of people are watching the ____ of national flag at Tian’anmen Square.A．raises；raise B．rises；riseC．raises；rise D．rises；raising23．My watch doesn’t work. I must have it ________.A．Repairing B．to repair C．repair D．repaired24．There is something wrong with my DVD player. I’ll have it ________.A．fixing B．to fix C．fixes D．fixed25．The music ________ by Mozart is well known ________ people all over the world.A．writes。 to26．Smart phones ________ by Huawei are getting more and more popular around the world.A．made B．a(chǎn)re made C．to make D．making27．________ with life in the city, life in the countryside is much slower and more peaceful.A．To pare B．Comparing C．Compared D．Compare28．It took us one week ________ this article ________ by Mo Yan.A．read, written B．to read, written C．reading, to write D．to read, to write29．—What are on show in the library? — Some photos ________ on the Great Wall.A．a(chǎn)re taken B．taken C．a(chǎn)re taking D．were taken30．_______ colorful pictures, he loaded a new software to help him.A．Create B．Created C．To create D．Creating31．—You don’t know wha