1 . Jack always has a _______ (teethache/toothache) because he has too many sweets.

2 . 用方框中所给单词的正确形式填空，每词限用一次。

prize              laugh       discover              soft              toothache

1. Till now, we haven’t ________ any life in space yet.
2. I really love her songs. I’ve never heard a ________ voice than hers.
3. Lily won the first ________ in the game last week.
4. My grandma has a serious ________, so it’s hard for her to eat.
5. My little brother can’t help ________ when he watches humourous cartoons.

3 .

toothache, condition, look, health, laugh

1. The American girl ________ pretty and everyone likes her.
2. After checking, the doctor was sure the little boy was in excellent ________.
3. Keep your teeth clean, or you'll often have a ________.
4. Children can't help ________ when they watch Tom and Jerry.
5. We need to eat ________ food instead of fast food.