7. He walked ______ fast for us _____ catch up with.

A. so; that　 B. such; that　 C. enough; to　 D. too; to

6. She bought a digital camera online _______ she saved a lot of time.

A. so that　 B. as soon as　 C. no matter　　 D. such that

5. The mountain was ________ steep ________ few people in our city reached the top.

A. so; as　 B. so; that　 C. as; as　　 D. too; to

4. I won’t believe that the five-year-old boy can read five thousand words, ________ I have tested him myself.

A. after　 B. when　 C. if　 D. until

3. -Will the foreigners have any problems talking with Chinese in 2008?

-I don’t think so. Now ___________ the young ____ the old can speak some English.

A. either; or　　 B. not only; but also　 C. neither; nor　 D. both; or

2. Lucy failed in the mid-term exams ___ she didn’t take her subjects seriously.

A. whether　 B. that　 C. because　 D. till

1.　Be careful, ________ you will fall off the tree.

A. so　 B. or　 C. but　 D. and