He felt ______ to work for human rights and progress.
| A．it his duty | B．his duty | C．that is a duty | D．that is his duty |
It wasn’t until nearly a month later _______ I received the manager’s reply.
| A．since | B．when | C．as | D．that |
Many people have come to realize that they should go on ____ balanced diet and live _____ healthy life.
| A．a; a | B．the; a | C．the; the | D．/;a |
-------- Did you go to the film festival?
-------- Yes, it was excellent. Zhang Yimou’s latest film was really a _______ for the eyes.
| A．flash | B．feast | C．sight | D．scene |
New ways have been found to prevent the river ______.
| A．not to be polluted | B．against polluting |
| C．from polluting | D．from being polluted |
The subject ________ I am most interested is English.
| A．in that | B．that | C．in which | D．which |