------Could you please sweep the floor?
------___________. I am busy looking after my sister.
| A．Yes, sure | B．Sorry, I couldn’t | C．No problem | D．Sorry, I’m afraid not |
Jenny is talking _____ in class. Please tell her to stop.
| A．a lot of | B．a lot |
| C．lots of | D．a little |
_____? 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 |