问题 选择题

Find ways to praise your children often,________ you’ll find they will open their hearts to you.

A.till

B.or

C.and

D.but

答案

答案:C

解析 分析前后分句逻辑关系,是条件或假设关系,而且“祈使句+and/or/otherwise+陈述句”是固定句型,所以选C项。

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