3. He felt doubtful about ______ the city.

A. to get around 　B. get around 　C. getting around 　D. whether go or not

2. -Why do the people decide ______ these days? -Because there’s not much to do.

A. visit 　　　　B. to visit 　　　C. not visiting 　D. not to visit

1. I’d like to trek ______ the jungle.

A. through 　　　B. across 　　　C. over 　　　　D. on

10. What color do you decide ______ (buy)?

9. It’s time for rest; let’s stop ______ (have) our lesson.

8. He would take out his money and ______ (pay) for the bill.

7. No ______ (smoke) in the hospital, please.

6. Either he or I ______ (be) right.

5. You need something ______ (drink), don’t you?

4. It is ten years since I ______ (leave) my hometown.