1. This computer isn’t working as it _____ . 
A. should          B. will          C. must          D. can
2. By the time you get this letter, I ______ the country. 
A. will leave       B. will have left   C. would leave    D. am leaving
3. We won’t be late because there is often ______ traffic early in the morning. 
A. little           B. a little        C. few           D. a few
4. I’d rather have a quiet cup of coffee at home than ______ in the noisy office. 
A. to sit           B. sit           C. sitting         D. sat
5. When people talk about the cities of the UK, the first ______ comes into mind is London. 
A. which          B. what         C. that           D. when
6. The company has set up a free telephone number ______ people can call with any questions
 about its products.
A. so that          B. even if        C. as if          D. in case