—A number of students________in the dining hall．
—Let me count．The number of the students________about 400．
A．are；is
B．is；are
C．are；are
She seldom speaks English after class, for she was afraid __ mistakes __ grammar.
| A．to make; of | B．making; of |
| C．to be made; in | D．of making; in |
Many students study English by aloud in the mornig.
| A．read | B．reading | C．to read | D．to reading |
Old people and children must _______ in our country .
| A．take good care | B．be taken gook care |
| C．take good care of | D．be taken good care of |
They are ____ tired ____on.
| A．too; to walk | B．too; walking |
| C．so；to work | D．very； to walk |
The number of the students in our school___1,600 and a number of them___ from Canada.
| A．are; come | B．is; come |
| C．is; comes | D．are; comes |