I’d like to go swimming with you, ______ I am too busy today.
| A．but | B．and | C．so | D．or |
I ______ in the hospital yesterday. I had to look after my sick mother.
| A．am | B．was | C．are | D．were |
— May I smoke here?
— No, you ______ . This is a no-smoking room.
| A．needn’t | B．mustn’t | C．couldn’t | D．wouldn’t |
They were all very tired, but ______ took a rest.
| A．everybody | B．somebody | C．anybody | D．nobody |
The Ninth Garden Expo is on May 18th, 2013 ______ Fengtai.
| A．in | B．on | C．at | D．to |