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用am，is或are填空，然后总结其用法。
(1)That's my father and this ________ my mother.
(2)This is my cousin and that ________ my sister.
(3)－________she your sister?
－Yes, she ________.
(4)－And ________ he your brother?
－No. He's my friend.
(5)－________ Guo Peng your brother?
－Yes, he ________.
(6)I ________ his friend. I'm not his brother.
(7)－________ you Jack's brother?
－No, I'm not. I ________ his cousin.
(8)These ________ my grandparents.
(9)－________ this your aunt?
－Yes, it ________.
(10)These ________ my parents, those ________ my grandfather and grandmother.
(11)These are my brothers. They ________ Jeff and Jack.
(12)They aren't my sisters. They ________ my friends.
am用于第一人称单数I之后；is用于第三人称单数ge，she，it以及相当于he，she或it；are用于第二人称或所有人称的复数，表达“是”的意思。可用下面的口诀来帮助记忆：“我用am你用are，is用于他她它，复数全都要用are”。
I am…可以缩写成I'm，he is可以缩写成 he's，she is可以缩写成加she's，it is可以缩写成it's，而we are，you are，they are可分别编写成we're，you're，they're。am，is，are的否定形式是在后面加not，如：am not，is not，are not。is not通常缩写为isn't，而are not通常缩写为aren't。如：
(1)I'm Alice, I'm not Mary. She's Mary.
(2)This isn't my brother. He's my cousin.
(3)They're my brothers. They aren't my friends.
查看习题详情和答案>>从下面方框内所给的七个选项中选出五个句子，将其序号填入相应空白处，使其组成一段符合逻辑的对话
| A.Do you like music? B.How are you? C.What about you? D.How old are you? E.Can you sing a song? F.Nice to meet you G.Where are you from? |
Mr Black: Good morning, Paul. Let me introduce a new friend to you. This is Bill.
Bill: 【小题1】
Paul: Nice to meet you, too. 【小题2】
Bill:I’m from America.
Paul: 【小题3】
Bill: I’m eleven years old.
Paul: 【小题4】
Biu:Yes,I do. 【小题5】
Paul: Me,too. 查看习题详情和答案>>
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