单项选择题

Very few people could understand the lecture the professor delivered because its subject was very （）.

A. obscure
B. indefinite
C. dubious
D. intriguing

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Before we move, we should （） some of the old furniture, so that we can have more room in the new house.

A. cancel
B. conceal
C. discard
D. retain
单项选择题
He didn’t mention your name but I was sure he was （） to you.

A. intimating
B. inferring
C. alluding
D. suggesting
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