It___until dust that he realized that it was too late to reture home.A:was B:wasn't 请问：...It___until dust that he realized that it was too late to reture home.A:was B:wasn't 请问：选哪个,为什么,如果选择wasn't 是正确的话，请问为什么？
问题描述：
It___until dust that he realized that it was too late to reture home.A:was B:wasn't 请问：...
It___until dust that he realized that it was too late to reture home.
A:was B:wasn't
请问：选哪个,为什么,
如果选择wasn't 是正确的话，请问为什么？
答
选择B。这道题考查的是not...until...结构的强调句型It isn't / wasn't until ...that...
答
B.Wasn't
这句话的意思是已经到傍晚他才发现“it was too late to return home” 所以应该用 wasn't