{01}_____ lacking in money, his parents, making their living by working abroad, managed to send him to a key middle school. A.Because B.When C.As D.Though 解析: 本题选D。
{02}Let"s put off the picnic until next week _____ the weather may be better. A.since B.if C.as D.when 解析: 本题选D。
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