Everyone in the class is expected to________in the discussion.
| A．participate | B．attend | C．donate | D．declare |
Out of the crowded bus______, who was dressed in a black suit and waved to a woman..
| A．a tall man in his thirties stepped | B．stepped a tall man in his thirties |
| C．did a tall man in his thirties step | D．did a tall man step in his thirties |
You can either have the double room or the family room,________ you want.
| A．whichever | B．whatever | C．whenever | D．however |
Last month, American scientists started working on _____ project aimed at improving _______ ability to predict earthquake.
| A．the; a | B．a; an | C．the; an | D．a; the |
－Does Bill do his new job well?
－_______ his old job. I’m afraid there’s no hope for him.
| A．Not better than | B．No better than | C．Not so well as | D．to lack |
It’s impossible for a person______ a sense of responsibility to succeed.
| A．being lacked | B．lacked | C．lacking | D．to lack |