题目内容
These kids are quick at learning. We had better have them __ in a new way.
A.having been trained | B.training | C.being trained | D.trained |
D
解析
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题目内容
These kids are quick at learning. We had better have them __ in a new way.
A.having been trained | B.training | C.being trained | D.trained |
D
解析