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用不定冠词a或an填空。
1．Maths is ________ useful subject．You can't drop it, I think．
2．It is ________ long time since we met last．
3．Tom's father is ________ artist and his mother is ________ engineer．
4．Last Sunday we had ________ good time．
5．There are only two letters in the word“us”, ________“u”and ________“s”．
6．Before he became ________ university student, he was ________ army man．
7．I spent ________ hour and ________ half writing the composition．
8．Do you have ________ answer to my question?
9．Have you got ________ ten-yuan note?
10．The car has ________ ugly colour．
2. That is________ book.________ book is red.
3. This________ pen is good. It's her pen.
4. —Is it________ ID card?
—Yes, t is.
5. —Is that________ orange?
—Yes, it is________ green orange.
用冠词a/ an或Be动词（am / is / are ）填空。
1.What’s this in English ? It’s ________ pen.
2.Is that _________ orange? No, it isn’t.
3.It is ________ ruler.
4.This is ________ key.
5.Frank ________ OK.
6.Eric and Dave________ good friends.
7.What _______these?
8.How ________ your father?
9.I ________ a boy.
10.You ________ good.
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2. _____elephant is much heavier than ____horse.
3. _____doctor told him to take______medicine three times____day.
4. Let's go out for _____walk.
5. There is____woman over there.____woman is Meimei's mother.
6. ____sun rises in_______east.
7. ______Changjiang River is______longest river in_______China.
8. Are you going to do it____second time?
小题1:What’s this in English ? It’s ________ pen.
小题2:Is that _________ orange? No, it isn’t.
小题3:It is ________ ruler.
小题4:This is ________ key.
小题5:Frank ________ OK.
小题6:Eric and Dave________ good friends.
小题7:What _______these?
小题8:How ________ your father?
小题9:I ________ a boy.
小题10:You ________ good.