_____ of the students who took part in the military training is 450.
A. A number B. A lot
C. Lots D. The number
This is the first time that I ___________ at the meeting.
A. had spoken B. have spoken
C. am D. Was
That salesman _____ me to buy his MP4, but it doesn’t work well now.
A. advised B. persuaded
C. preferred D. Expected
There was ______ time _________ I hated to go to school.
A. a, which B. a, when
C. the, which D. the, when
Do you have any difficulty ________?
A.on listening B. to listening
C. for listening D. in listening
Many people agree that ___ knowledge of English is a must in ____ international trade today.
A. a, 不填 B. the, an
C. the, the D. 不填，the
