1.have already read

2.didn't do

3.did

4.will eat

5.need

6.Have Alex ever been /has been

7.is having

8.was established

9.recycle

10.doing

1. I have already read that book. It’s fantastic.

2. We didn't do any volunteer work five years ago.

3. James did lots of volunteer work when he was in high school.

4. I think people will eat more healthy food in the future.

5. People need about 2,000 calories a day to stay in shape.

6. Has Alex ever been to Seattle?

~ Yes, he has been to Seattle once.

7. Right now, Margaret is having a shower. Do you want to ring later?

8. Be a Buddy was established in 2011.

9. We encouraged people recycling bottles, cans and paper.

10. My mother enjoys doing charitable work.

1. have already
2. didn't do
3. did
4. will eat
5. need
6. Has Alex been/ has been
7. is having
8. established
9. recycling
10. doing

1. have already

2. didn't do

3. did

4. will eat

5. need

6. Has Alex been/ has been

7. is having

8. established

9. recycling

10. doing