正确形式填空
1. Some students watch TV___________ (two) a week.
2. Most of them play sports three or four___________ (time) a week.
3. She looks pale(苍白). I think she is kind of___________ (health).
4. Our teacher wants us ___________ (read) English every morning.
5. Can you find five ___________ (different) in the two pictures?