题目

Lose one hour in the morning ______ you will be looking for it the rest of the day. A.but B.and C.or D.so 答案：B 解析: 此题考查“祈使句+and/and then+句子”句型，表示顺接关系。若表示转折应该用“祈使句+or/otherwise+句子”。

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