---________shall we deal with the waste paper. bottles and boxes?
---Let’s keep them for recycling. It’s good for the environment.
| A．How | B．What | C．Why | D．Where |
It’s a bad habit to ______ what you can do today until tomorrow.
| A．write down | B．talk about |
| C．worry about | D．put off |
Here is my phone number. You ______ call me anytime you like.
| A．must | B．can |
| C．should | D．need |
—______ do you like the film, American Captain 3?
—It’s wonderful! I like it very much.
| A．How | B．Who |
| C．What | D．When |
Steve isn’t as ______ as Kelly. He often makes mistakes in his writing.
| A．careless | B．tidy |
| C．careful | D．difficult |
Good friends are like stars. You don’t always see them, ______ you know they are there.
| A．as | B．but |
| C．for | D．then |