--- Is this your white ruler ? --- No. _______ is yellow.
A. My B. Mine C. Her.
To be a good teacher, you ___ be able to hold the attention and interest of your students.
| A．must | B．may |
| C．can’t | D．needn’t |
Bobby didn’t have dinner ___he finished designing the plans.
| A．while | B．if |
| C．until | D．since |
During the summer holidays, the girl practised ___ the piano for three hours every day.
| A．play | B．plays |
| C．to play | D．playing |
Nowadays most of the Chinese have decided ____ a trip to Malaysia.
| A．don’t take | B．not to take |
| C．not take | D．won’t take |
The students ___ to check the answers by discussing with others just now.
| A．ask | B．are asked |
| C．asked | D．were asked |