[     ]

A. tooth
B. toothes
C. teeth
D. tooths

[      ]

A. kilo
B. kilos
C. kiloes
D. kilo's

1. This is a watch. (变为复数形式)
   __________ are some __________.
2. Can Cindy sing this song in Chinese?(作肯定回答)
   __________, __________ can.
3. This sweater is $28. (对划线部分提问)
    _________ __________ is this sweater?
4. He does his homework in the evening. (改为否定句)
    He __________ __________ his homework in the evening.
5. Tile biology class isn't boring. (改为同一句)
    The biology class __________ __________.

1. At Christmas, parents always buy their children presents.
    At Christmas, parents always ______________________________.
2. Her father watches TV for two hour every day.
    Her father ______________________________ every day.
3. Li Lei never goes to school on foot.
    Li Lei never ______________________________.
4. How do you like that new shopkeeper?
    ______________________________ the new shopkeeper?
5. Listen! Someone is knocking at our neighbor's door.
    Listen! ______________________________ our neighbors' door.

[     ]

A. a groups of peoples
B. a group of people
C. groups of people
D. group of people

A. taking lesson
B. to take lesson
C. taking lessons

1. The manager can remember all the __________ (成员) names.
2. The hen __________ (下蛋) some eggs for the owner last year.
3. As we all know,the 29th Olympic Games was __________ (成功) held in Beijing.
4. The doctor advised him to rest after __________ (吃) medicine.
5. We were __________ (感到意外) that news.

[     ]

A. teeths
B. toothes
C. teeth
D. tooths

1. Australia has beautiful _______(beach).
2. Niagara Falls ________(be) a famous waterfall in Canada.
3. September 10 is ________(teacher)Day.
4. I am glad ____(meet) you here.
5. There are many ____(sheep) on the hill.
6. 1. Listen! She _____(sing) ABC song.
7. I want _____(buy)a new dress.
8. "What's the weather like today?" "It's _____(sun) but cold."
9. His birthday is July the _____(twelve).
10. Jim ________ (have) breakfast at 7:00 in the morning.

A. in; half
B. into; halves
C. in; halves
D. into; halfs