—What a pity! Their experiment is a failure.
—They ________ better under more favorable conditions.
| A．should have done | B．could have done | C．must have done | D．may have done |
24．America was____________ was first called" India" by Columbus
| A．that | B．where | C．what | D．the place |
23．To everybody's surprise, the fashionable young lady ___________ to be a thief.
A．found out B．proved out C, put out D．turned out
22．Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
| A．becomes | B．became | C．has become | D．had become |
第二部分：英语知识运用（共两节，满分35分）
第一节：语法和词汇知识（共15 小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．My neighbor asked me to go for ______ walk， but I don’t think I’ve got ______ energy.
A．a; 不填 B．the; the C．不填；the D．a; the
20．These flowers need special care ____ they can live through winter.
| A．because | B．even if | C．so that | D．As |