补全词组
1. Grandma is very healthy because she___________(锻炼) every day.
2. Please speak aloud, I can___________ (几乎不) hear you.
3. We___________ (尽力) to eat a lot of vegetables to keep healthy.
4. Walking helps you to keep in good___________ (健康).
5. There are some___________ (不同) between the tiger and the cat.