情态动词和虚拟语气
(限时30分钟)
Ⅰ. 单项填空
1. They _______ the agreement so easily without that common ground.
A. had not reached B. would not reach
C. mustn’t have reached D. wouldn’t have reached
2.—Ha s Mr. Tom White arrived?
—Yes, already. _______ he wait outside or just come in？
A. Shall B. May
C. Could D. Must
