B was happening .因为句后有this time具体时间点,故用过去进行时.
关于D我可以这样解释吗,occur的现在分词是双写r.
“Tell me what__this time yesterday,”the teacher said to the boy.
“Tell me what__this time yesterday,”the teacher said to the boy.
A was happened B was happening C has taken place D was occuring
A was happened B was happening C has taken place D was occuring
英语人气:359 ℃时间:2019-10-10 04:04:33
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