He didn't do home work () his mother cameA if B until C as D when 选哪个呢?我觉得B 和C都行啊?
问题描述：
He didn't do home work () his mother came
A if B until C as D when
选哪个呢?
我觉得B 和C都行啊?
答
B
not--until句型。
“直到**才**”，“不**就不**”
翻译成：他妈妈不来，他就不写作业/他直到妈妈来了才写作业。
答
B
答
B
not...until直到.才.
直到她妈妈回来,他才做作业