1)用与可数名词的单数形式前,指人或事物的某一种类:例如: She is a girl. Pass me an apple , please. 2).指某人或某物,但不具体说明何人或何物.例如: A boy is waiting for you We work six days a week. 3). 表示 “一 这个数量,但数的概念没有one 强烈.例如: We are going to have an English lesson tomorrow. I have a mouth , a nose, two eyes and two ears. 4). 用于某些固定的词组中.例如: a few, a little, a lot of 注: 用a 还是an, 要看后面的词读音以辅音开头还是以元音开头. 查看更多

 

题目列表(包括答案和解析)

1用所给动词的适当形式填空

1.Look, there are so many people over there. What ____(happen)?

2.It’s seven in the morning. It’s time for us ____(go) to school.

3.Look at the clouds in the sky. I think it ____(rain).

4.___(be) everyone here?  Yes, Let’s ___(start) now.

5.He ___(be) be fifty years old next month. But he ___(look) so young.

6.Teachers’ Day ___(come) . And we ___(plan) to buy some flowers for Mrs. Li.

7.My mother usually ____(shop) for food on Sundays.

 

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1用所给词的适当形式填空(必要时可加助动词).

1.__________(that)girls are Amy’s sisters.

2.That is __________(she)father.

3.What’s __________(you)last name?

4.These __________(picture)a他while and black.

5.Here __________(be)Mona’s keys.

6._________ (do)she have a dictionary?

7.Ed.Smith__________(have)7 basketballs and 8 tennis rackets.

8.I us ________ (join)the school sport club.

9.__________(Linda)father and mother are in the school.

10.________ (be)she your grandmother?

 

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1用所给动词的适当形式填空。

1.Let me _________ (help) you with your English.

2.-- Where is your mother?  -- She _________ (ride) a bike.

3.He with his friends often ___________ (fly) kites on Sundays.

4.His parents often ask him___________ (not watch) TV after 9p.m.

5.Thank you for __________( invite ) us to your party.

 

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1用所给单词的适当形式填空。

1.Look! Tony and Andy are under the tree. These are my          (friend)

2.His          (parent) are teachers.

3.--Are          (that) Helen's pens? --Yes, they are.

4.Here          (be) my watches.

5.The          (picture) are very good.

 

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用括号内名词的适当形式填空:

The ______ (tomato) on the plate are fresh.

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