—How did your father smoking?
—The doctor told him to do so，and he took the advice.
| A．give in | B．bring in | C．give up | D．bring up |
Gun control is a subject __________ Americans have argued for a long time.
| A．of which | B．with which | C．about which | D．into which |
It is obvious to the students _________ they should get well prepared for their future.
| A．as | B．which | C．whether | D．that |
John may phone tonight. I don’t want to go out _______ he phones.
| A．as long as | B．in order that | C．in case | D．so that |
You are required to write _______ so that we can see it clearly.
| A．every the second line | B．every other lines |
| C．every a few lines | D．every other line |
---When shall we meet again ?
---Make it ______ day you like; it’s all the same to me.
| A．one | B．any | C．another | D．some |