{01}一 My son is addicted to drugs. He isn"t hopeless, is he? 一 Yes, _____ he mends his ways and starts all over. A.if B.when C.even if D.unless 解析: 本题选D。
{02}Ely worked late in the evening to finish her report _____ her boss could read it next morning. A.when B.though C.before D.so that 解析: 本题选D。
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