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语法强化与扩展：

指示代词：this,that,these,those

1. this和these指说话人较近的人或物，that和those指说话人较远的人或物．

this和that指单数，be动词用单数形式is，同时后面的名词用单数形式。

these和those表示复数，be动词用复数形式are，同时后面的名词用复数形式。

2. 在回答主语this或that的一般疑问句或特殊疑问句时，在答语中用it代替句中this或that;

What is this/that?这是/那是什么？It’s a/an...它是...；

Is this/that...?这是/那是...吗？Yes,it is.是的，它是。No,it isn’t.不，它不是。

3. 在回答主语these或those的一般疑问句或特殊疑问句时，在答语中用they代替句中these或those;

What are these/those?它们是什么？They are...它们是...;

Are these/those...?这些/那些是.吗？Yes,they are.是的，它们是。No,they aren’t.不，它们不是。 4. 在介绍某人时，用this或that，而不用he或she；例如This is my mum. 5. 打电话时，说自己是谁用This is...，问别人是谁用Who’s that?

一：填空

1. I like _____ pants. _______ pants are red.(这些)

2. I don’t like ____ shoes. ____shoes are too small.(那些)

3. I want _____(这个) sweater. I don’t want________（那个） sweater. _____ （那个）is too big.

二：选择

（ ）1. __________ pen is red. ________ pencil is green.

A. this, that B. These, Those C. That, Those D. This, That （ ）2. Is _____ a panda over there?

A. this B. that C. those D. these （ ）3. __________ two girls are Mary and Linda.

A. This B. They C. That D. Those （ ）4. Look，what is _______? It’s an eraser.

A. this B.that C.these D.those （ ）5. Are ________your watches over there?

A. this B.that C.these D.those （ ）6. _______those his dictionaries?

A.is B.Are C.Is D.are （ ）7.——Is that Mary’s schoolbag?

——_________

A. Yes,it isn’t. B.No,it is. C.Yes,it’s. D.No,it isn’t. （ ）8.—— _______this your friend?

——_______

A. is; Yes, he is. B.Is; Yes, it is. C.Are; No,its not. D.are; Yes,I am. （ ）9.——Are these Helen’s pencils?

——_______

A. Yes,they’re. B.No,they are. C.Yes,they are. D.No, it is. （ ）10.——What are those?

——______

A. They are box. B.They are boxes. C.It’s a box.

D.Yes,they are.