The two men are______.
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.
You are required to write _______ so that we can see it clearly.
---When shall we meet again ? ---Make it ______ day you like; it’s all the same to me.