Unit 5 What’s the highest mountain in the world
（Section B 3a -selfcheck）
一、(基础题)单项选择
1. We should help her when she is----------------
A. in danger B. in a danger
C. in the danger D. in dangers
2. —How can I improve my English?
—The -------------you work, the better result you will get.
A. hard B. harder C. hardest D. more hardly
3. —I like watching TV in my spare time.
—But don’t spend much time --------------it.
A. to watch B. watch
C. to watching D. watching
