—Why didn't you try your best to get on the bus?—I tried to, but it had started moving ________ I could get on it.
—What do you think of these two books? —______ of them are interesting.And I’ve read them several times.
How long has the girl’s father ____?
The girl’s dream came ____ in the end.
---________? ---I failed the exam.
If there aren’t so many cars, our air would be much ____.