用方框中所给短语的适当形式填空
| all of a sudden, be ashamed of, be burdened with, be-long to, turn. . . into, in return |
__________，she burst into laughter.
Chinais a country __________ the third world.
She __________ having failed.
Nowadays, the students __________too much home-work.
Theyare __________ waste land __________ rice fields.
I treated her to dinner __________ for her help.
A great number of visitors __________ attracted to my hometown, and the number of foreigners there _______ quite large.
| A．are; are | B．is; is |
| C．is; are | D．are; is |
The teacher with the students_______ discussing the films_______ the subjects are science fictions.
| A．are; whose | B．are; of which |
| C．is; of which | D．is; whose |
----The singer together with her band_______ invited to the concert. Did you enjoy that party?
----No, hardly_____ when they sang their top hit Oh, My Baby.
| A．was, I had left | B．were, I have gone |
| C．was, had I left | D．were, did I leave |
One-third of the country ______ covered with trees and the majority of the citizens ______ black people.
| A．is; are | B．is; is |
| C．are; are | D．are; is |
A very large number of the students in our school _______from the countryside. Besides, the number of girls ______ more than half of the total.
| A．is/ reaches | B．are / reaches |
| C．are/ reach | D．is / reach |