1A.......is a person who installs and repairs things such as water pipes toilet (plumbing)

2.since the Word's energy resources are limited we must....them(conservation)

1.It is all right if you take care of the children?

Do you mind...............................

2.My sister looked after our children when we were away

My sister took.....................

3.you didn't phone me,so I'm disappointed

I'm disappointed ...........

4The owners of the restaurant are usually very rich

The people who..................

5. Although it rained heavily, i went to loan's birthday

In spite............. .....

1. It's a pity I dont't take my doctor's advice

I wish............................

2.It took us an hour to do these difficult exercises

We........................

3.Yesterday ,I met a doctor. His son is in the same class mine

Yesterday, I met a doctor............

4.Mary started learning french five years ago

Mary has............

5." Where is your Sister playing ,Nam?I asked

I asked