We don"t know when the accident ______. [ ]A. has happened B

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We don"t know when the accident ______.          [     ]
A. has happened
B. happened
C. happening
D. to happe

答案

举一反三

—How was the weather?
—It _______ cool.  A. were
B. is
C. was
D. are

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句型转换。1. We take a walk every day. (用 yesterday改写)
    We _______　_______　_______　yesterday.
2. He had a great weekend. (改为一般疑问句)
    _______ he_______ a great weekend?
3. Aunt Wang helped me with my English.(改为同义句)
    Aunt Wang helped me_______ _______  _______.

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一Did you stay at home yesterday morning, Sue?
—No, I ______ to the mountains with my cousin. [     ]
A. go
B. went
C. goes
D. am going

题型：期末题难度：| 查看答案

—Tony, _______ you _______ smoking?
—Yes. Drinking tea is my favorite now. [     ]
A. will; stop
B. did; stop
C. would; stop
D. have; stopping

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What ___ to your good friend the day before yesterday? [     ]
A. was happened
B. happen
C. happening
D. happened

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