—______ will the fog and haze last?
—I’ve no idea. There is no sign of an end.
| A．How soon | B．How far |
| C．How long | D．How often |
-Must I use both hands?
-Yes, you _____.
| A．must | B．need | C．should | D．can |
It’s difficult _____ us to remember new words.
| A．of | B．to | C．for | D．on |
You should _____ some English every day. It’s good for your vocabulary.
| A．reads | B．reading | C．to read | D．read |
I’m sure you know the difference _____”look for” and “find”.
| A．from | B．for | C．to | D．between |
She said her hand was _____, but that was only _____ excuse.
| A．hurted; a | B．hurted; an | C．hurt; a | D．hurt; an |