Only when he returned______ the truth.
| A．he found out | B．did he find out | C．he finds out | D．does he find out |
Peter told us the work would be finished by next month, ________ personally I doubt very much.
| A．which | B．when | C．that | D．it |
A good rest between classes ________ recover brain power to its best and make us perform better in class later.
| A．must | B．can | C．need | D．shall |
The world will live happier lives if people have ________ better understanding of ________ idea of harmonious globe.
| A．the; a | B．/; the | C．a; an | D．a; the |
The lady behind her in line kept pushing against her every time the line moved . Finally, she turned and said sternly( 严厉地)，“____?”
| A．Do you care | B．Do you mind | C．What are you doing | D．Go ahead |
Kate is only a nodding ______, not very familiar to me.
| A．acquaintance | B．partner | C．companion | D．coincidence |