Question

–May I go to the concert with you?
– I’m afraid not ______you have a ticket, because I have only one.

A．since

B．if

C．unless

D．though

Answer 1

C

解析試題分析：句意：我可以和你一起去聽音樂會嗎？恐怕不行。除非你有一張票，因為我只有一張。since 自從；既然；if 如果；unless 除非，如果不；though 盡管。根據句意可知選C。
考點：考查連詞。