You’d better book the tickets as early as possible, ________ they will be sold out soon.
| A．and | B．but | C．so | D．or |
____ is good _______ your health.
| A．Walk, to | B．Walking, for |
| C．To walk , with | D．Walking, to |
There _______ a party in Kangkang’s house tonight.
| A．will has | B．will be | C．be | D．will is |
— Must I finish my homework today, Mom?
— No, you . You finish it tomorrow.
| A．mustn’t, must | B．won’t; need |
| C．don’t have to, can | D．must ; should |
．—do you do some cleaning?
— Three times a week.
| A．How long | B．How often | C．How many | D．How far |
foreign(外国) friends come to visit China every year.
| A．Two thousands | B．Thousands of |
| C．Thousand of | D．Two thousands of |