1.This is ___ alarm clock.Please take ___ to your brother.A.an;him B.the:them C.an:it D.a:it2.I konw the answer.(改为否定句)______________________________________3.They are some good dictionaries.(改为单数句)____________________________

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1.Thisis___alarmclock.Pleasetake___toyourbrother.A.an;himB.the:themC.an:itD.a:it2.Ikonwtheanswer.(改为

1.This is ___ alarm clock.Please take ___ to your brother.A.an;him B.the:them C.an:it D.a:it2.I konw the answer.(改为否定句)______________________________________3.They are some good dictionaries.(改为单数句)____________________________
1.This is ___ alarm clock.Please take ___ to your brother.
A.an;him B.the:them C.an:it D.a:it
2.I konw the answer.(改为否定句)
______________________________________
3.They are some good dictionaries.(改为单数句)
______________________________________

1.This is ___ alarm clock.Please take ___ to your brother.A.an;him B.the:them C.an:it D.a:it2.I konw the answer.(改为否定句)______________________________________3.They are some good dictionaries.(改为单数句)____________________________
C
I do not know the answer.
It is a good dictionary.

1.D
2.I don't know the answer.
3.This is a good dictionary.

D
I dont know the answer
There is a dictionary

C
2.I don't know the answer.
3.This is a good dictionary.

选C,元音前可数名词单数要用an,it来指代前面的alarm clock
I didn't konw the answer
This ts a good dictionary

第一个是C吧!
I do not know the answer。
It is a good dictionary。

1.C.alarm首音标为元音,用an,单数用it 2.I don't known the answer. 3.It is a good dictionary.

1、C alarm clock 是闹钟 元音字母打头,所以用 an ,句二中是第二次用 所以可用代词it 替代。
2、 I don't know the answer.
3、This\That \It is a dictionary.

1.选C
2.I don't kown the answer.
3.It is a good dictionay.

C i do not know the answear it is a good dictionary

C
I do not know the answer.
It is a good dictionary.