用代词的适当形式填空。

1．There is a letter for ___her_____ (her 、hers) mother.
2．That is __her___ (she ) coat. The coat is red. ___it___ (its)is a new one.
3．Whose pens are these? ___They____(their) are ___ours___ (we).
4．Give ___him____(he) a toy, please.
5．___Our_____(we) eyes are black. ___We____ (us) come from Japan.
6．Tim and Bill are twins. ___They____ （their）are from England. ____Their_____ (them) parents are teachers in the No.6 Middle School.
7．Give the book to ____me______(I ).
8．These books are ____ours______(we).
9．That is not ___my______ kite. That kite is very small, but ____mine_____ is very big. ( I )
10．The dress is ____hers_____. Give it to ____her_____. ( she )
11．Is this ____your_____ watch? (you) No, it’s not ____mine_____ . ( I )
12．____He_____ is my brother. ____His_____ name is Jack. Look! Those stamps are ____his_____. ( he )
13．I can find my toy, but where’s ____yours_____? ( you )
14．Show ___them______ your kite, OK? (they)
15．I have a beautiful cat. ___Its____ name is Mimi. These cakes are ___its____. ( it )
16. ___She____ is my aunt. Do you know ___her_____ job? ___She_____ is a nurse. ( she )
17．That is not ____his_____ camera. ____His_____is at home. ( he )
18．Where are ____they____ ? I can’t find ____them_____. Let’s call ____their_____ parents. ( they )
19. ____We_____ don’t know her name. Would you please tell ____us_____. ( we )
20．The girl behind ____her_____ is our friend. (she )

答案 had run arrived
在这里我找来了before 的经常性格用法 你可以参考下 你这个句子就属于后面那种情况 before conj.
1)过了……才……( it was / will be + 一段时间+before引导的时间状语从句) It will be five years before we meet again.五年后我们才能再见面. It was not long before they believed in each other.他们不久就互相信任了. 2)还没(来得及)……就……(主从句可都用一般过去时;或主句过去完成时,从句一般过去时; I slipped out before the lecture started.
Before I could stop her,she ran out.
或主句过去完成时,从句could+do)
The sun had set down before we realized.
The boy had run away before I could say hello to him.

很容易！