The old man is used to( )early in the morning.A、exerciseB、exercisingC、exercise

游客2024-01-17  23

问题 The old man is used to( )early in the morning.

选项 A、exercise
B、exercising
C、exercised
D、exercises

答案 B

解析 习惯用法。be used to doing sth.习惯于做某事。句中的to是介词,因此后面接动名词。
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