Li Hua is busy,he always helps others. [ ]A.Although B.If C.U

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       Li Hua is busy,he always helps others.    [     ]
A.Although
B.If
C.Unless
D.Since

答案

举一反三

Jane, please turn off the lights you leave the classroom. [ ]

A. after
B. before
C. until
D. but

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根据句意，填写适当的连接词1. Mary told me________she had seeri my friend the day before yesterday.
2.I wonder________she was at home yesterday.
3. I"m not sure_________she"ll go or not.
4. The teacher asked Tom_________he didn"t go yesterday.
5. He didn"t tell me__________volunteers there are in his class.

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-Mom,shall we have supper now?
-Oh,we won"t have supper _____ your dad comes back.[ ]
A.until
B.since
C.while
D.after

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用when或 while填空1.         we were talking in the classroom, the teacher came in.
2.         they got to the airport, it was raining.
3.         she was reading a book,the phone rang.
4.         I saw the boy, he was wearing a new coat.
5.         he was reading,he fell asleep.

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—Could you tell me there is a flight on May 2?
—Just a minute please. I have to .[ ]
A. that;look for a computer
B. whether;find a computer
C. if; check my computer
D. where; search my ticket

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