These two Christmas trees are of __________ size, but the one they bought yesterday is maybe twice __________ size of them.
Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.
There is a ______ cup on the table.
If you don’t study hard, you’ll regret, _____ you?
I thought _____ no use talking with him. _____ was a waste of time.
Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.