单项选择题

Obviously, his remarks at the conference were （） and not planned.

A. substantial
B. spontaneous
C. simultaneous
D. synthetic

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单项选择题

We （）at the boy because we couldn’t believe what he was saying.

A. stared
B. peeked
C. peered
D. glanced

单项选择题

A.from
B.by
C.at
D.on

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