初三现在完成时态习题 帮我做做
题目
初三现在完成时态习题 帮我做做
I.用所给动词的适当形式填空.
1.I________already_______(see) the film.I__________(see) it last week.
2.— __________he _________(finish) his work today?
— Not yet.
3.— __________ you ___________(be) to Hong Kong?
— Yes,I __________(be) there twice.
4.— you ever _______ (eat ) chocolate sundaes (圣代)?
— No,never.
5.My father_________ just _______(come) back from work.He is tired now.
6.— Where's Li Ming?
— He _________(go) to the teacher's office.
7.Shanghai ___________(be) a small town hundreds of years ago.Now it _______(become) a large city.
8.I __________(work) here since I _______(move) here in 1999.
9.So far I ------ (make) quite a few friends here.
10.— How long __________the Wangs____(stay) here
— For two weeks.
II.句型转换 _
1.I have been to Macau before.(改为否定句)
I ___________ ________ been to Macau before.
2.He hasn't come to school because he's ill.(就划线部分提问)
________ ________ he come to school?
3.He has learned English for 5 years.(就划线部分提问)
_______ ______ _______ __________learned English?
4.I bought a new bike just now.(用just改写)
I____________just_____________a new bike.
5.We began to learn English three years ago.(改为同义句)
We_________English _________three years.
IV.用for 或since填空.
1.Jill has been in Ireland________Monday.
2.Jill has been in Ireland__________three days.
3.My aunt has lived in Australia_______15 days.
4.Margaret is in her office.She has been there_____7 o'clock.
5.India has been an independent country________1974.
6.The bus is late.We've been waiting________20 minutes.
7.Nobody lives in those houses.They have been empty many years.
8.Mike has been ill________a long time.He has been in hospital ________October.
答案
1.have,seen.saw.2.Has ,finished 3.Have been ;have been 4.Have eaten 5.has come 6.has gone 7.was,has become 8.have worked ,moved 9.have made 10.have stayed 2.1.have not 2.Why hasn't3.How long has he 4....
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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