You __________ tell anyone about this — it’s a secret.
| A．needn’t | B．mustn’t | C．couldn’t | D．wouldn’t |
Recent campus tragedies show that safety measures are so important that we _______ take them too seriously.
| A．can’t | B．should | C．mustn’t | D．shall |
--- I was late for school this morning.
---_______ You started early, didn’t you?
| A．Why not? | B．So what? | C．How come? | D．Never mind. |
I ’m sure _______ bread of this kind is only sold in _______ city of Harbin.
| A．the; the | B．/; the | C．the; / | D．/; a |
—I don’t want to move to that city. It is heavily polluted.
—Pollution is common. The city here is _____.
| A．no less clean | B．no clean | C．no cleaner | D．not less clean |
Lack of work experience puts college graduates at a huge disadvantage when ______ with laid -off workers.
| A．competed | B．having competed | C．competing | D．to compete |