Must we sweep the floor right now? No, you _______. You can do it later.
| A．aren’t | B．mustn’t |
C．don’t | D．don’t have to |
—What is Mom cooking in the kitchen?
—Chicken, I guess. How nice it _______!
| A．looks | B．smells | C．tastes | D．sounds |
_______ sunny day it is! It’s really good to go out for a hiking.
| A．What a | B．What | C．How a | D．How |
I thought _______ very useful to know the customs of foreign countries.
| A．that | B．to coming | C．it | D．to go |
Make sure to _______ the lights when you leave.
| A．turn over | B．turn left | C．turn off | D．turn right |
—Can you tell me _______ it is from home to Yuanbo Garden?
—Sure. It’s about ten minutes’ drive.
| A．how long | B．how far | C．how much | D．how soon |