【正文】 an B．cleaned C．a(chǎn)m cleaning D．have cleaned22．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．a(chǎn)m cleaning B．will clean C．was cleaning D．have cleaned23．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook24．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling25．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making26．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have27．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did28．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking29．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing30．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared31．Joe, answer the phone for me. I ________ how to make dumplings in the kitchen.A．learned B．a(chǎn)m learning C．have learned D．learn32．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing33．Sorry, you can’t take the eraser away, Tony. I ________ it.A．have used B．used C．was using D．a(chǎn)m using34．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．a(chǎn)m watering C．watered D．have watered35．Mum ________ fish in the kitchen. It smells so good.A．cooks B．is cooking C．was cooking D．will cook36．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing37．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair38．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out39．The zoo keeper is worried because the number of visitors ________ smaller and smaller.A．bee B．a(chǎn)re being C．is being D．have bee40．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having【參考答案】一、選擇題1．B【詳解】句意：——Lena，我想今天早上你很匆忙。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A．was studying B．studied C．is studying D．studies13．—What’s the terrible noise?—The students ________ for a party.A．have prepared B．a(chǎn)re preparing C．prepare D．will prepare14．— Hurry up, Mary. The movie has already been on for ten minutes. —Wait a moment. I ________ some snacks in a shop.A．buy B．bought C．a(chǎn)m buying D．have bought15．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read16．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flyin