— The light is still on in his room. Do you know ?
— Maybe he has to study for a test.
| A．if he works hard | B．who he is studying with |
| C．what he is busy with | D．when he will stop working |
All of us went to the park ______ Bob. He had to look after his sister.
| A．besides | B．with |
| C．except | D．around |
I wonder when they ___ for Beijing. I will go to the train station to see them off when they ___.
| A．leave, will leave | B．will leave, leave |
| C．will go, leave | D．go, leave |
–--Which would you like, tea or coffee? ---_______. I really don’t mind.
| A．Either | B．Neither |
| C．Both | D．Any |
When the students were playing games on the playground, Jim suddenly stopped _____
and began to cry, so we stopped _______ what was wrong with him.
| A．to play; seeing | B．playing; to see |
| C．playing; seeing | D．to play; to see |
–-You should be _______ careful when you take the chemistry exam.
---I agree. In this way, I will make _______ mistakes.
| A．more; less | B．more; more |
| C．less; fewer | D．more; fewer |