I don"t know _____or not.[ ]A. whether he is at home B. if he is at homeC

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I don"t know _____or not.[     ]
A. whether he is at home
B. if he is at home
C. that he is at home
D. whether is he at hom

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举一反三

—"Can you tell me when _____?"
—"At 10:25, in ten minutes."[     ]
A. the bus will leave
B. will the bus leave
C. the bus has left
C. the bus had left

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After the discussion, the students asked their teacher__________ next.    [     ]
A. what to do
B. where to do
C. how to do
D. which to do

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—Do you know      ?
—PSP.[     ]
A. what is it called
B. how it is called
C. how it calls
D. what it is called

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句型转换。
1. —Can I help you? (作否定回答)
    —_________________________.
2. —Would you like me to help you? (作肯定回答)
    —_________________________.
3. I have made a mistake. I found. (改为含宾语从句的复合句)
    I found that _________________________.
4. I don"t think you will come back in time. (用didn"t改写)
    I _____ think you _____ in time.
5. The moon circles the earth. (用told us改写)
    The teacher told us that _________________________.

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I don"t think            rain this afternoon.       [     ]
A. it won"t
B. it"s going to
C. if it"s going to
D. whether it"s to

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