题目内容
He is used ________ exercise in the morning.
[ ]
A.to take
B.to taking
C.take
D.taking
答案:B
解析:
解析:
|
因为be used to…表示“习惯于……”,to为介词,若其后接动词时,则要用动词-ing形式,所以正确答案是B。 |
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