I. 单项选择（共15小题；每小题1分，满分15分，把答案涂在答题卡上）
1. Being able to afford ______ drink would be ______ comfort in those tough times.
A. the; the B. a; a C. a; 不填 D. 不填；a
2.You’d be exposed to a lot ______ pollution if you moved to a town with pure water and air.
A. more B. most C. less D. least
3. The practice of hanging clothes across the street is a common __ __ in many parts of the city.
A. look B. sign C. sight D. appearance
4. Mum, I was wondering if you could lend me a few dollars until I on Friday.
A. get paid B. got paid C. have paid D. had been paid
5. I _____ thank you too much for all your help to my son while we were away from home.
A. won’t B. can’t C. can D. will
6. This machine is very easy . Anybody can learn to use it in a few minutes.
A. operating B. to be operating C. operated D. to operate
7. It suddenly occurred to him he had left his keys in the office.
A. whether B. where C. which D. that
8. A lot of language learning, has been discovered, is happening in the first year of life, so parents
