{01}He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out.
A.once
B.before
C.unless
D.though
解析:连词辨析。A.一旦 B.在……之前 C. 除非 D. 尽管。句意:他没有计算旅行费用的习惯,因此他不知道一旦钱用完了该怎么办。故选A。 本题选A。 {02}Those who are not active or______ diet is high in fat will put on weight quickly.
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