VII 

1. It is necessary for you to pracitce English everyday.

2. My teacher asked us to finish our homework before going to class.

3. He suggests using the soler energy for heating.

4. John worked so carefully that it took him long time to finish the work.

IV. 

1. destroying

2. unpolutted

3. protection

4. noisily

VIII

1. The exercises are so difficult that we can not do.

2. It is difficult for her to take a trip abroad now.

3. I wish I had more tim to take my friends to beautiful spots in my hometown. 

4. My friend doesn't run as fast as me.

VII 

1. It is necessary for you to pracitce English everyday

2. My teacher asked us to finish our homework before going to class

3. He suggests using the soler energy for heating

4. John worked so carefully that it took him long time to finish the work

VIII

1/ The exercises are so difficult that we can not do

2/ It is difficult for her to take a trip abroad now

3/ I wish I had more tim to take my friends to beautiful spots in my hometown

4/ My friend doesn't run as fast as me

IV

1- Destroying

2- Unpoluted

3- Protection

4- Noisily