While doubts about the medicine’s safety have____________, interest continues to grow.
| A．dropped out | B．fell down | C．withdrew from | D．faded away |
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 |
The seaman _____ swim only half way before he drowned.
| A．could | B．might | C．was able to | D．would |
---Need you leave so soon?
---Yes, _____, I’m afraid.
| A．I need | B．I do | C．I have to | D．I must to. |