Mary has difficulty (swim)______ because she is afraid of water.swimming玛丽学游泳有困难

游客2023-10-04  40

问题 Mary has difficulty (swim)______ because she is afraid of water.

选项

答案 swimming

解析 玛丽学游泳有困难,因为她害怕水。to have difficulty (in) doing sth.意为"做某事有困难"。
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