- What's wrong with Mary?
- She's______ at her sister's bad behavior.
| A．crazy | B．nervous |
| C．excited | D．mad |
My mother works in a school. She _________ maths.
| A．teach | B．will teach |
| C．teaches | D．teaching |
Lucy likes playing ________ ping-pong, but her sister Lily likes playing ______ guitar.
| A．／; ／ | B．the; ／ |
| C．the; the | D．／; the |
______the problem clearly, Mary has to look for lots of information.
| A．To explain | B．Explaining |
| C．Explain | D．Explained |
Thank you for your______,otherwise I couldn’t finish the work on time.
| A．kind | B．kindly | C．kindness | D．kinds |
—Would you mind opening the door?
— ______ .
| A．All right. |
| B．Yes, of course |
| C．Not at all. I’ll do it right away |
| D．It doesn’t matter |