根据上句完成下旬，使两句话的意思相同或一致，每空一词。
1. Our city has changed greatly in the last three years.
Our city is quite_________________ what it was three years ago.
2. We have to water the young trees often, or they\'ll die.
The young trees will die________ they are often________.
3. There is only a chair in the room.
There is______________.      a chair in the room.
4.I was late for school because of the traffic accident.
The traffic accident ________me ________ getting to school on time.
5. The books on the bookshelf are not difficult to reach. __________   to reach the books on the bookshelf.

同义句转换  根据上句完成下句,确保意义相同或相近。 

1．When I get to Beijing，I'll phone you at once．

   When I get to Beijing，I'll _______ you _______ at once．

2．In the beginning，I thought it difficult to learn English well．

    _____ _____，I thought it difficult to learn English well．

3．The boy is too young to go to school．

   The boy is ______ young ________ he can't go to school．

4．Mary's friend lent a book to her．

   Mary ______ a book ______ her friend．

5．David was the best at the exam in his class．

David was better at the exam than _____ _____classmate．

A）按要求转换下列句式。  

1. They have painted their new house. (改为被动语态)

Their new house                                   by them.

2. I have already had my supper. (改为否定句)

I          had my supper            .

3. It's ten minutes’ walk from my home go the school. (对划线部分提问)

                             is it from your home to the school?  

B)根据上句完成下句，使两句意思基本相同，每空一词。

4. I ‘m sorry to hear that he got killed in the traffic accident 5 years ago.

   I ‘m sorry to hear that he                    for 5 years in the traffic accident.

5.James Herriot was good at dogs.

   .James Herriot                 in treating dogs.

6.Mary is too young to dress himself.

    Mary is not                     to dress himself.