Ladies and gentlemen, due to an unexpected accident, one of the singers who all of you to hear____tonight,
A. had come; don't perform
B. come; won't perform
C. have come; won't be performing
D. came; wouldn't perform
The course normally attracts 20 students per year, ____up to half will be from overseas.
A.in which B. of whom
C. of which D.for whom
As a grassroots singer, she reads everything she can get hold of and catch every opportunity she meets up with so as to gain____progress.
A. mild B. widespread
C. steady D. average
This nationwide smog should serve as a reminder to all, indicating a high time that we____ on what we've done to the environment.
A. have reflected B. are reflecting
C. will reflect D. reflected
more effectively with others, more and more people equip themselves with a higher education.
A. Compete B. To compete
C. Being competed D. Competing
The new policy allows a couple to have a second birth____either is an only child.
A. if only B. on condition that
C. unless D. until
