---______do you go swimming? ---Sometimes.
| A．How often | B．How long | C．how many | D．How old |
The Spring Festival this year falls February 19th, 2015.
A. onB. inC. at
If youoften, it will be good for your health.
A. walkB. will walkC. are walking
Hurry up! Everyone for you.
A. has waitedB. is waitingC. waits
Ice Age Ⅱ is a very nice film and I _______ it twice.
A. seeB. would seeC. have seen
—does it take you to do your homework every day?
— One hour.
A. How longB. How oftenC. How soon