Question

Answer 1

1. can have => could have

2. When => While

3. hardly => hard

4. are practicing => is practising

5. are all so => are all so

6. chemical => chemistry

7. didn't => not to

8. all => both

Answer 2

1 can have => could have

2 when => while

3 hardly => hard

4 are practicing => is practicing

5 are all so => are so

6 bỏ it

7 didn't => not to

8 all => both