--I really didn’t know how to thank you enough. -- __________.
| A．It doesn’t matter | B．OK |
| C．No problem | D．Think nothing of it |
A: ____ boys and girls are there in your class?
B: There’re21 boys and20 girls.
| A．How old | B．How many |
| C．How much | D．How about |
—___________? —He is Andy’s father.
| A．How is he | B．Where is he |
| C．Who is he | D．What is he |
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 |