单项选择题

Once (giving) (a set of) instructions, a computer can gather (a wide ranger) of informa-tion (for different purposes).

A. giving
B. a set of
C. a wide ranger
D. for different purposes

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单项选择题

We (will have) to (put off) our departure (in the case) it (rains).

A. will have
B. put off
C. in the case
D. rains

单项选择题

The girl (her) father (is) a famous pianist (learned) to play (the) piano when she was a small child.

A. her
B. is
C. learned
D. the

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