He will ask me to lend him some money and I can’t do that.

　　他问我借点钱，可我不能借。

　　We see him when he comes to town,but that isn’t often.

　　他进城时我们能见到他,但是这种情况不常有.

　　3.those可用来代替可数名词的复数,表示特指。有时the ones和those可互换使用,常要求有后置定语.如:

　　The students in our class work harder than those in their class.

　　我们班的同学比他们班的同学学习更刻苦。

　　4. it代指前面提到过的名词,而且就是那个名词,即同类事物. It可以替代单数可数名词和不可数名词,如:

　　Do you want the magazine? Yes, I want it.

　　你想要这本杂志吗?是的，我要。

　　I don't want to drink the tea. It is too hot.

　　我不想喝这茶，它太热了。

　　练习:

　　1.-How many of these books have you read?

　　­­­­ ______of them . Every one .

　　A.Many B. Some C.All D.None

　　2.—Have you heard of the accident about Lucy and her father?

　　—Accident? No,I have’t . Tell me about_____.

　　A.it B.her C.him D.them

　　3.We’ve got two TV sets , but____ of them works well.

　　A.any B.both C.either D.neither

　　4.I haven’t checked my emails today , because there’s____ wrong with my computer.

　　A. something B.anything C.anything D.nothing

　　5.-When shall we go to the park, this moring or this afternoon?

　　- ___is OK. I’m free the whole day.

　　A.Either B.Neither C.None D.Both