More than 70,000,000 sharks ______ for their fins every year. It's really time for us to do something.
| A．kill | B．killed |
| C．are killed | D．were killed |
Can you hear someone in the classroom? It is Mary.
| A．sing | B．sings |
| C．singing | D．sang |
To my surprise, my brother can speak English .
| A．lively | B．perfectly |
| C．badly | D．friendly |
We are leaving tomorrow. We will be away next Friday.
| A．from | B．until |
| C．on | D．since |
I am sorry this coat is not big enough. I want a one.
| A．bigger | B．big |
| C．smaller | D．small |
—Bob, where is Linda?
—She be in the library, but I am not sure.
| A．must | B．may |
| C．need | D．has to |