【正文】
ust one minute.A.wait B.waited C.have waited D.a(chǎn)re waiting7.— What’s that noise, Sam?— My little brother ________ his toy car.A.played B.is playing C.plays D.was playing8.—Hi, Daming. What are you up to?—I ________ a project about family history.A.do B.did C.a(chǎn)m doing D.was doing9.Betty can’t join us in the game. She ________ the classroom.A.has cleaned B.was cleaning C.has cleaned D.is cleaning10.—May I speak to Mr. Brown? —I am sorry. He _______ an important meeting in his office at the moment.A.has B.had C.is having D.will have11.—What’s that noise, Mike?—My little sister ________ with her toy car now.A.plays B.played C.will play D.is playing12.— Where are the officers? — Look! They ________ the elephant in the palace now.A.touched B.will touch C.touch D.a(chǎn)re touching13.Excuse me. I really need to go now. My children _____________for me at school.A.a(chǎn)re waiting B.waits C.wait D.waited14.—May I use your puter? —Sorry, I ________ on it.A.work B.worked C.have worked D.a(chǎn)m working15.—I can39。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A.was studying B.studied C.is studying D.studies16.—It39。t e yet. I ___________for her.A.have waited B.a(chǎn)m waiting C.was waiting D.waited17.— 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 bought18.—Hurry up!—One moment. I ________ my s.A.reading B.a(chǎn)m reading C.was reading D.have read19.It dark. Shall I turn on the light?A.gets B.got C.is getting D.was getting20.—Tom, please give me a hand in moving the piano. —Sorry. I ________ my car.A.repair B.repaired C.a(chǎn)m repairing D.have repaired21.Be quiet! The students ________ an English exam.A.take B.a(chǎn)re taking C.took D.have made22.—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A.is cooking B.was cooking C.cooks D.cooking23.—Where is your mother, Kitty?—She ________ dinner in the kitchen.A.cooks B.cooked C.is cooking D.will cook24.—Lucy, where is Mimi?—She ________ under the chair.A.sleeps B.slept C.is sleeping D.will sleep25.Xifeng Street is closed today because workers _______ some repairs.A.make B.made C.a(chǎn)re making D.were making26.—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A.makes B.will make C.made D.is making27.—I _______ a book report now. Can I talk to you later?—No problem.A.write B.wrote C.a(chǎn)m writing D.was writing28.—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A.do B.a(chǎn)m doing C.did29.Listen! The boy ________ the piano again.A.plays B.played C.will play D.is playing30.— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A.clean B.cleaned C.a(chǎn)m cleaning D.have cleaned31.