--- _______ they ? --- They’re my friends.
A. Who B. Who’s C. Who’re
—Must we clean the classroom now?
—No ,you _______.
| A．must | B．needn’t | C．aren’t | D．mustn’t |
—____________?
—Very well, thanks.
| A．How are you |
| B．How do you do |
| C．Where are you |
| D．What are you doing |
Scientists can make the robots __________.
| A．to dance | B．dance | C．dancing | D．danced |
You shouldn’t ________ here . The baby _____.
| A．play; sleeping |
| B．to play; is sleeping |
| C．plays; sleeps |
| D．play ; is sleeping |
---I think you can join an English club to improve your English.
---___________.
| A．You’re welcome. |
| B．It doesn’t matter. |
| C．Good idea. |
| D．That’s all right. |