摘要：What is the most helpful invention? A.you think B.I think C.you do think D.do you think 答案:D do you think 作插入语.
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What ________ is the most helpful invention?
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A ．you think |
B ．I think |
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C ．you do think |
D ．do you think |
What is the most helpful invention?
A. you think B. I think C. you do think D. do you think
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听句子，选出你所听到的句子。
( )1. A. When was the calculator invented?
B. When was the computer invented?
C. When was the telephone invented?
( )2. A. I think it was invented in 1876.
B. I think it was invented in 1877.
C. I think it was invented in 1867.
( )3. A. What do you think is the most helpful invention?
B. What do you think is the most useful invention?
C. What do you think is the most helpful invention?
( )4. A. By the time he went into the classroom, the class had been cleaned.
B. By the time he went into the classroom, the class had finished.
C. By the time he went into the classroom, the class had begun.
( )5. A. What happened to David on April Fool's Day?
B. What happened to Tom on April Fool's Day?
C. What happened to Danny on April Fool's Day?
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B. When was the computer invented?
C. When was the telephone invented?
( )2. A. I think it was invented in 1876.
B. I think it was invented in 1877.
C. I think it was invented in 1867.
( )3. A. What do you think is the most helpful invention?
B. What do you think is the most useful invention?
C. What do you think is the most helpful invention?
( )4. A. By the time he went into the classroom, the class had been cleaned.
B. By the time he went into the classroom, the class had finished.
C. By the time he went into the classroom, the class had begun.
( )5. A. What happened to David on April Fool's Day?
B. What happened to Tom on April Fool's Day?
C. What happened to Danny on April Fool's Day?