The baby is sleeping. Please__the radio.
A. turn on B. him down C. turn up
My brother came back home while I homework.
| A．am doing | B．did |
| C．was doing | D．were doing |
The teacher speaks very loudly all the students can hear her.
| A．so that | B．because |
| C．since | D．When |
Why don’t you an English club to practice English?
| A．to join；to speak | B．join；speaking |
| C．join；to speak | D．to join；speaking |
Anson is a funny boy. He often makes us .
| A．to laugh | B．laughing |
| C．laugh | D．laughed |
— Do you like talking with your friends on the telephone or mobile phone?
— . I enjoy chatting online.
| A．Neither | B．Either |
| C．Both | D．None |