I had to ______ because someone else wanted to use the phone.
| A．give up | B．put up | C．hang up | D．ring up |
34. The space is left to let the rail expand when it gets hot, ______?
| A．isn’t it | B．is it | C．doesn’t it | D．does it |
33. There is probably no better way for a foreigner to appreciate the richness and variety of the English language ______ by studying the various ways in which Shakespeare used it.
| A．where | B．as | C．than | D．So |
32. Only when he failed ______ the stress he was under.
| A．he realized | B．did he realize | C．realized he | D．he did realize |
31. He told me how he had given me shelter and protection without which I ______of hunger.
| A．would die | B．would have died | C．had died | D．Died |
30. After he had recovered from his injury, he caught a squirrel (松鼠) and raised it as a pet. Soon he ______ home snakes and other creatures from the woods near his school.
| A．was bringing | B．is bringing | C．has brought | D．had brought |