---______ does he go to Guangzhou on business? ---Three or four times a year.
| A．How long | B．When |
| C．How often | D．What time |
His father seldom goes shopping, _______?
| A．is he | B．doesn’t he | C．does he | D．isn’t he |
The patients are quite________ to the nurses for their special care.
| A．kind | B．helpful | C．impolite | D．grateful |
My parents are ____________ me because of my good grades in all subjects.
| A．proud of | B．take a pride of | C．proud from | D．take prides from |
—______ go to the theatre together with me?—Good idea.
| A．How about | B．Why do you | C．Why not | D．What about |
The workers were made ______ all day and all night by bosses in the old days.
| A．work | B．working | C．worked | D．to work |