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解析】句意:自從我上次見到她以來,Linda變化了很多。本題考查動詞的時態(tài)。Change變化,改變。A. has changed 已經(jīng)改變,是現(xiàn)在完成時 B. will change 將要改變,是一般將來時 C. is changing正在改變,是現(xiàn)在進行時 D. changed改變了,是一般過去時。本句是現(xiàn)在完成時的典型句型,故選A。14.________ you _________ Kate’s letter yet? Yes, I ________ it for several days.A.Did。 receive。 have received B.Have。 received。 have hadC.Have。 received。 have received D.Did。 receive。 have had【答案】B【解析】句意:你收到凱特的信了嗎? 是的,我已經(jīng)收到好幾天了。本題為現(xiàn)在完成時態(tài),receive動詞,收到,暫時性動詞。在肯定的陳述句中,暫時性動詞不能和一段時間連用,因而receive改為have,have為持續(xù)性動詞,had過去分詞;可以和for several days一段時間連用。故選:B。15.―Eric, can you bring me the scissors? ―Just a moment. I the papercutting with it.A.make B.madeC.a(chǎn)m making D.has made【答案】C【解析】句意:——Eric,你能給我?guī)砑舻秵??——等一會兒。我正在用它做剪紙。根?jù)Justa moment可知此處表示讓對方等一會兒,應(yīng)是正在使用這個剪刀,故用現(xiàn)在進行時be doing,故選C。16.—What was your father doing when you got home yesterday?—He dinner at that time.A.cooks B.was cooking C.is cooking D.will cook【答案】B【解析】【詳解】句意:——昨天當你到家的時候你的父親在做什么?——當時他在做晚餐??疾闀r態(tài)。cooks烹飪,一般現(xiàn)在時;was cooking過去進行時;is cooking現(xiàn)在進行時;will cook一般將來時。根據(jù)at that time以及問句可知答語時態(tài)為過去進行時。故選B。17.-Have you washed the clothes? -Not yet. But I _________ them in half an hour.A.washed B.have washed C.will wash D.wash【答案】C【解析】句意:——你洗衣服了嗎?——還沒有。但我半小時以后就洗。In half an hour半小時后,表示的是將來時間。故選C。18.Jenny_______in the kitchen when you called her at 5 o39。clock this afternoon.A.is cooking B.was cooking C.cooks D.cooked【答案】B【解析】本題難度適中,考查過去進行時,當你昨天5點打電話給她時,他正在煮飯,答案是was cooking,選B。19.My grandma ______ a song with her friends when I came back.A.sings B.sang C.is singing D.was singing【答案】D【解析】句意:當我回來的時候,我的祖母正和她的朋友一起唱歌。根據(jù)when I came back可知此處表示過去某時正在做某事,故用過去進行時,故選D。20.When I got to the classroom, my friend Bob__the floor.A.is cleaning B.was cleaning C.cleaned D.has clean