I don’t have to introduce him to you ________ you know the boy..
A.until B.unlessC.sinceD.but
C
當從句中有since+一般過去時,主句用現(xiàn)在完成時,故選C
練習冊系列答案
相關(guān)習題

科目:初中英語 來源:不詳 題型:單選題

I won’t call you, ______ something unexpected haappens.
A.becauseB.WhileC.unlessD.while

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

Hurry up, dear. We have to get to the station before 11:45          we can catch the 12:00 train.
A.since B.a(chǎn)fter C.a(chǎn)s soon as D.so that

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

—________ does he often go to Beijing?   —By plane.
A.How B.When C.Where D.Which

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

Give me your telephone number ____I need your help.
A. whetherB. unlessC. so thatD. in case

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

They didn't go to bed_____ the work was finished.
A.whenB.whileC.until D.a(chǎn)fter

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

— Shall we go for a hiking this weekend?
— All right, ________ it rains.
A.ifB.unlessC.whenD.until

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

— It’s time to go to bed, Mary.
— Oh, Mum, I won’t go to bed _____ I have finished my homework.
A.a(chǎn)fterB.untilC.sinceD.because

查看答案和解析>>

科目:初中英語 來源:不詳 題型:單選題

I like Chinese _______ my brother likes maths.
A.whileB.sinceC.whenD.a(chǎn)s

查看答案和解析>>

同步練習冊答案