Question

Answer 1

Câu IV:

1. was watching

2. Has (his health) improved

3. cycling

4. to be

Câu V:

1. chemist

2. unreasonable

3. increasingly

4. endangered

Answer 2

IV

1 was watching

2 has improved

3 cycling

4 to be

V

1 Chemist

2 unreasonable

3 increasingly

4 endangered