— What’s the of the car at present?
— It’s about 70 kilometers an hour.
| A．place | B．speed | C．price | D．mark |
_____? We’re going sightseeing.
| A．What are you doing? | B．Where are you leaving |
| C．Who are you going with | D．When are you going |
I want to buy a bike. At last I decided ____ a black one.
| A．to buy | B．buy |
| C．buys | D．buying |
Where____ he ____ for his next vacation?
| A．does, leave | B．is, leave |
| C．is, leaving | D．is, leaveing |
I have a sore back. You should _____ down and rest.
| A．to lie | B．lying |
| C．lie | D．lied |
It’s a good habit ____ breakfast every day.
| A．had | B．have |
| C．has | D．to have |