Compared with one's workplace, home provides a more humane environment for one to____ relax oneself.
We are invited to a party _________ in our club next Friday.
So tired __________ after walking such a long way that I ___________ stand.
Gun control is a subject __________ Americans have argued for a long time.
It is obvious to the students _________ they should get well prepared for their future.
John may phone tonight. I don’t want to go out _______ he phones.