问题
选择题
Don’t have horse ______ too fast, it will get tired soon.
A．ran
B．to run
C．runs
D．running
答案
答案：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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Don’t have horse ______ too fast, it will get tired soon.
A．ran
B．to run
C．runs
D．running
答案：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。