I’m busy ________ my homework, and my mother is busy _______ dinner.
| A．in; cook | B．in; cooking |
| C．with; cook | D．with; cooking |
My little cat sleeps ______ the day, but ______ night he begins to work.
| A．at; at | B．on; in | C．on; at | D．during; at |
Lily _______ math because she thinks it's too difficult.
| A．like | B．likes | C．dislike | D．dislikes |
I like pandas ______ they are beautiful.
| A．so | B．and | C．because | D．but |
Thanks a lot for _______us at the party.
| A．join | B．joins | C．joining | D．to join |
Look! Who ___________ on the blackboard?
| A．writes | B．is writing | C．are writing | D．writing |