---Haven’t you heard of a person called Zhang Cunhao?
---______. He is a famous scientist and won the 2013 Top Science and Technology Award.
| A．Yes， I have | B．Yes， I did |
| C．No， I haven’t | D．No， I didn’t |
— Do you think yesterday’s math problem was difficult?
— Yes. I could work it out.
| A．hardly | B．easily |
| C．finally | D．nearly |
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 |