题目内容
Don’t have horse ______ too fast, it will get tired soon.
| A.ran | B.to run | C.runs | D.running |
D
have sb./sth. doing sth.让一直做某事,或者让某物一直处于某种状态。
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题目内容
| A.ran | B.to run | C.runs | D.running |