-If you do like the new house, why not buy it?-But it's really expensive. I can't __________ it.
That is the place where I________when I was a child.
The classroom is big enough________, but we'll have to move if we have more students.
We went to Canada to travel and my cousin________as our guide.
The question now________at the meeting is very important.
—You are so lucky. —What do you mean________that?