{01}— Shall we go boating this afternoon? — It depends on the weather. I will go _____ it rains and the wind blows hard. A.when B.until C.as D.unless 解析: 本题选D。
{02}Someone called me up in the middle of the night, but they hung up _____ I could answer the phone. A.as B.since C.until D.before 解析: 本题选D。
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