the milkman was in such a hurry that he didn't know at that time

the milkman was in such a hurry that he didn't know at that time
what to do
what he does
how to do
理由!
英语人气:865 ℃时间:2019-12-18 18:38:46
优质解答
这道题的正确答案是:
选what to do
首先前面时态为过去式,所以what he does 明显不对.
如果用how,应该是how to do it .it 造成不要省掉.
送牛奶的人是如此的着急,以至于他不知道那时能做什么.
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