You can’t imagine what great trouble I had ____ his address.
I would have gone to my cousin’s birthday party last night, but I was not.
--I am sure Mary will win the first place in the coming competition. --I think so. She ________ for it for months.
There is _____ Liu Chang in our class, but I’m afraid he isn’t ____ one you want.
The factory used 65% of the raw materials, the rest of which _________ saved for other purposes.
We won’t start the work until all the preparations __________.