1 . Jim brushes his ____ every morning.(tooth)

2 . Tony exercises ________ /twaɪs/ a week.

A．two

B．twins

C．twice

D．tooth

3 . The superstar gets ________ /tʌnz/ of attention.

A．tenth

B．teeth

C．tons

D．twins

4 . We should brush our ________ (tooth) twice a day.

5 . Oh, no, I may have a ________, I have to go to the doctor.

A．head

B．tooth

C．nose

D．cold

6 . Candy and cola are sweet food and drink and they're bad for your ________ (牙齿).

7 . In order to protect children's ____________(tooth), parents should ask them not to eat too many candies.

8 .

three        tooth       minute       classmate             little

1. It’s about twenty ________ ride from my house to the school.
2. The teacher asks us to play computer games for ________ than an hour every week.
3. I know all the restaurants are on the ________ floor of that mall.
4. I want to buy some presents different from some of my ________ .
5. Billy has a few bad ________ in his mouth. He eats lots of sweets.

9 . Everyone should brush their________（牙）after getting up and before going to bed.

10 . You must brush your ________ (tooth) twice a day.