Question

【题目】—Do you want to go to the beach?

—Yes，but I can't go there ______ my mother comes back.

A. since B. although C. unless D. if

Answer 1

【答案】C

【解析】句意：------你想去海滩吗？-------是的，但是如果我妈妈不回来，我不能去那里。考查连词辨析。A. since自从，从…以来；因为；既然；B. although虽然；尽管；C. unless除非，如果不；D. if如果。结合句意和语境可知选C。