21、A: How often do you surf the Internet?
B:_________ ．
A．Twice a week． B．Two weeks a time C．A week twice．
评卷人
得分
三、补全对话
（每空？ 分，共？ 分）
20、A lot of vegetables help us to keep in good __________．
A．habit B．body C．health
19、A: What's the matter?
A．I have a sore back． B．I have a water melon． C．I have many friends．
18、A: I have a _______．
B: You shouldn't eat anything．
A．headache B．fever C．stomachache
17、A: What are you doing __________ vacation?
B: We are camping．
A．for B．with C．about
16、A: __________ are you staying in the countryside?
B: For about two weeks．
A．How much B．How long C．How often
15、They finished ________ the classroom two hours ago．
A．to clean B．clean C．cleaning
14、A: ___________ do you get to school?
B: I take the subway．
A．What B．How C．Why
13、A: ____________ is it from your home to school?
B: More than 5 miles．
A．How far B．How long C．How many
12、A: How does your father go to work?
B: _________．
A．By the bus． B．To the bus． C．By bus