I was really anxious about you. You____ home without a word.
| A．mustn’t leave | B．shouldn’t have left |
| C．couldn’t have left | D．needn’t leave |
Do your best to remember other people's names and interests, which shows you ________ them.
| A．look up to | B．worry about |
| C．care about | D．look after |
In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.
| A．wide; sounding | B．widely; sounding |
| C．wide; sound | D．widely; sound |
I cannot thank you ________ much. I might never have been admitted to such a famous university but for you.
| A．quite | B．that |
| C．too | D．very |
We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
| A．safe | B．square |
| C．transparent | D．thick |
—Oh, I've just locked my keys in my office again.
—You're always so careless, but ________ let's see what we can do about it.
| A．otherwise | B．therefore |
| C．anyway | D．besides |