【正文】
C.is washing D.was washing12.—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.studies13.—It39。t e yet. I ___________for her.A.have waited B.a(chǎn)m waiting C.was waiting D.waited14.—Hurry up!—One moment. I ________ my s.A.reading B.a(chǎn)m reading C.was reading D.have read15.—I _____to Beijing tomorrow. —Have a good trip!A.flies B.fly C.a(chǎn)m flying D.flew16.—Mary, let39。s not at home. She___________in the library.A.read B.reads C.is reading D.was reading20.—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A.do B.did C.a(chǎn)m doing D.have done21.— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A.clean B.cleaned C.a(chǎn)m cleaning D.have cleaned22.You had better not go this way. The workers _________ the road.A.have repaired B.a(chǎn)re repairing C.repaired D.will repair23.— 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 cleaned24.— Hi, Tom. I can’t find David anywhere. Do you know where he is?—Oh, he ________ for tomorrow’s exam at home.A.prepares B.is preparing C.has prepared D.prepared25.—Where is your mother, Kitty?—She ________ dinner in the kitchen.A.cooks B.cooked C.is cooking D.will cook26.I can’t hear you. I ______ to an English speech.A.a(chǎn)m listening B.listen C.was listening27.—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.—Hello! May I speak to Tom?—One moment! He _______ an .A.is sending B.sent C.sends D.was sending30.— Where is Tom?— Look! He ________with the teacher over there.A.talk B.talks C.talked D.is talking31.—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A.work B.a(chǎn)m working C.have worked D.worked32.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.Be quiet! The students ________ an English exam.A.take B.a(chǎn)re taking C.took D.have made35.—Maggie, could you help pick up the phone? It ________.—OK, Mum.A.rings B.rang C.will ring D.is ringing36.—Tom, where is your father?—He ________ my bike.A.is repairing B.repairs C.has repaired D.will repair37.—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an online class.A.take B.took C.a(chǎn)m taking D.have taken38.It’s 4 o’clock in the afternoon. Ms. Green ________ afternoon tea with her friends.A.has B.is having C.had D.was having39.— Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.— I’m sorry about that.A.presents B.presented C.has presented D.is presenting40.Don’t make any noise, Jim! Your little sister ________ now.A.sleeps B.slept C.is sleeping D.will sle