【正文】 我們去幫助她吧。根據(jù)前面的“One moment!”可知，判斷設空處的動作“發(fā)送電子郵件”在說話時刻正在進行著，所以用解析：A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件。考查動詞時態(tài)辨析。考查動詞時態(tài)辨析。考查現(xiàn)在進行時?！@就來。will wash動詞的一般將來時形式；is washing動詞的現(xiàn)在進行時形式；washes動詞的三單形式；washed動詞的過去式?？疾楝F(xiàn)在進行時。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語書借給你，說明這些天我在用它，符合語境；所以句子時態(tài)應為現(xiàn)在進行時。5．D【詳解】句意：我不能把我的英語書借給你，因為這些天我在用它?？疾楝F(xiàn)在進行時。根據(jù)“now”可知要用現(xiàn)在進行時，其結構為be doing?？疾闀r態(tài)。故選B。cooks烹飪，一般現(xiàn)在時；is cooking烹飪，現(xiàn)在進行時；will cook烹飪，一般將來時；cooked烹飪，一般過解析：B【詳解】句意：——媽媽在哪里？——她正在廚房做飯。又因為主語為He，單數(shù)，be動詞用is?？疾楝F(xiàn)在進行時。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．— What’s that noise, Sam?— My little brother ________ his toy car.A．played B．is playing C．plays D．was playing21．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking22．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．are making C．make D．will make23．— Helen, how was your English petition on Monday?— I have no idea, I _________ for the result. I was told it would e out in two days.A．was waiting B．waited C．will wait D．am waiting24．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook25．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made26．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling27．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making28．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had29．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning30．— Tina, the TV show has already been on. Come and watch together. — Wait a moment. I ________ coffee in the kitchen.A．am making B．have made C．make D．made31．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write32．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．are facing33．Be quiet! The students ________ an English exam.A．take B．are taking C．took D．have made34．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing35．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair36．—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an online class.A．take B．took C．am taking D．have taken37．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 out