clock and English book are on the computer desk.
| A．An, a | B．A, a | C．A, an | D．A, a |
—Listen! Is Mary singing in the next room?
—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
| A．can’t | B．may not | C．mustn’t | D．needn’t |
．Hurry up, ________ you’ll not catch the first bus.
| A．and | B．or | C．but | D．if |
The old men in hospital ______________.
| A．take good care of | B．take good care |
| C．are taken good care | D．are taken good care of |
Beihai Park is a beautiful place that many people come to visit it every day.
| A．such; so | B．so; such | C．such; such | D．so; so |
The boys when the teacher came in. So she was very angry．
| A．were doing homework |
| B．were cleaning the classroom |
| C．were fighting |
| D．were learning English |