单选题The word “tentative” in paragraph 2, line 1 of the letter is closest in meaning to ______ .A unusualB excitingC unconfirmedD attached

题目
单选题
The word “tentative” in paragraph 2, line 1 of the letter is closest in meaning to ______ .
A

unusual

B

exciting

C

unconfirmed

D

attached


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