Ⅰ.单句语法填空
1．This is one of the most significant(significance)studies of the subject.
2．It's discouraging(discourage) that so many students have failed.
3．We were eager to hear(hear) the announcement of the winners of the race.
4．The expansion(expand) of the factory will mean the employment of sixty extra workers.
5．I think we can count on Mr. White to support(support)us.
6．Can you tell me how the accident came about?
7．Jim was able to hold back his anger and avoid a fight.
8．He expects to have written (write) the last chapter by tomorrow evening.
9．It is time that we got/should get(get)ready for the final examination.
10．This would cause great hardship and suffering(suffer)．
