一、
1. B
2. A
3. A
4. C
5. A

二、
1. teeth   2. them
3. he       4. has
5. tries    6. short
7. sad     8. get off

三、
1. check
2. watch
3. brush
4. eat
5. take
6. medicine
7. have
8. drink

一、
1. C
2. B
3. C
4. C
5. C

一、
1. B
2. A
3. A
4. C
5. A

二、
1. teeth   2. them
3. he       4. has
5. tries    6. short
7. sad     8. get off

三、
1. check
2. watch
3. brush
4. eat
5. take
6. medicine
7. have
8. drink

一、
1. C
2. B
3. C
4. C
5. C