3. Circle the correct words. 圈出正确的单词。
a. There are many child/children in the park. They are riding bikes.
b. The man/men are singing a song. It’s beautiful.
c. They like those socks/sock. They are white. That’s their favourite colour.
d. There are many apple/apples on the tree. They are big and red.
e. A: How many class/classes do you have in the afternoon? B: Two.

a. children
b. men
c. socks
d. apples
e. classes

a. "many"后应接复数名词，所以选择"children"。
b. 谓语"are singing"是复数形式，所以主语也应是复数，选择"men"。
c. "those"后应接复数名词，所以选择"socks"。
d. "many"后应接复数名词，所以选择"apples"。
e. "How many"后应接复数名词，询问数量，所以选择"classes"。

4. Look at the pictures and write the sentences. 看图写句子。

a.
These/They are buses.

b.

c.

d.

e.

f.

a. These/They are buses.
b. These/They are tomatoes.
c. These/They are clothes.
d. These/They are boxes.
e. These/They are potatoes.
f. These/They are women.

5. Fill in the blanks. 用所给词的适当形式填空。
Danny, Jenny and Li Ming are walking to a (park). They see many (car), (bus), and (people) in the street. In the park, they see some (man) playing (card) under the tree. Some (child) are flying (kite). Some (woman) are talking. Danny says, “Look, ice cream!” He sees three (girl) eating some ice creams.

park；cars；buses；people；men；cards；children；kites；women；girls

第一空，不定冠词a后接可数名词单数，填park；第二空，many后接可数名词复数，car的复数是cars；第三空，many后接可数名词复数，bus的复数是buses；第四空，people本身是复数名词，填people；第五空，some后接可数名词复数，man的复数是men；第六空，play cards是固定搭配，填cards；第七空，some后接可数名词复数，child的复数是children；第八空，fly kites是固定搭配，填kites；第九空，some后接可数名词复数，woman的复数是women；第十空，three后接可数名词复数，girl的复数是girls。