Someone is knocking at the door. It _______ my mother. It’s time for her to be back.
| A．can be | B．may not be |
| C．must be | D．mustn’t be |
The floor is so wet. Let’s _______.
| A．stop mopping it up | B．stop to mop up it |
| C．stop mopping up it | D．stop to mop it up |
The flood in 1998 washed lots of houses _______ and lots of people _______.
| A．on; died | B．off; die |
| C．away; die | D．away; died |
—I’d like to take five days off, Mr. Smith.
—______ . Don’t you know we’re very busy these days?
| A．Never mind | B．It’s OK |
| C．Don’t worry | D．Forget it |
—We only live once, but if we live a wonderful life, once is enough.
— ________ I agree.
| A．In some ways | B．On the way |
| C．In the way | D．In this way |