it was already ten o'clock ------ we got to the museum this morning. A:THAT B:when?

问题描述:

it was already ten o'clock ------ we got to the museum this morning. A:THAT B:when?
能解释一下嘛?

B 这是表达当...的时候是几点钟的句子.
如果用that,那么应该是:It was already at ten o'clock that...
很高兴为你解答!
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