-- Millie, ______ late for school again. -- Sorry, I won’t.
| A．isn’t | B．doesn’t be |
| C．don’t be | D．won’t be |
．—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 |
— Do you often help your brother with his English?
— No. He learns English by .
| A．himself | B．yourself | C．herself | D．myself |
Mike prefers to .
| A．to swim; running | B．swimming; running |
| C．to swim; run | D．swimming; run |
We brush our teeth twice a day.
| A．may | B．can | C．should | D．shouldn’t |