In much of the animal world, night is the time ______ for sleep – pure and simple.
| A．set aside | B．set down | C．set off | D．set up |
The door burst open and____, shouting with anger．
A．rushing in a crowd B - in rushing a crowd
C．in rushed a crowd D．in did a crowd rush
—___the new comer join us in the work?
—Certainly! We are short of hands presently．
| A．Shall | B．Would | C．May | D．Must |
Everybody said it was an ideal marriage; no one had ever known ____ couple．
| A．the happier | B．a happier | C．a happy | D．the happiest |
The young member made several proposals, none of____ considered practical or acceptable．
| A．them | B．which | C．it | D．what |
—How about your conference?
—Pretty successful．It allowed both sides of us to better understand ____ each stood on many issues．
| A．where | B．that | C．what | D．which |