Question

Answer 1

Câu IV:

1. was playing

2. hasn't written

3. to join

4. increasing

Câu V:

1. physician 

2. effective

3. necessarily

4. misunderstand

Answer 2

IV

1 was playing

2 hasn't written

3 to join

4 increasing

V

1 physicists

2 effective

2 unnecessarily 

4 misunderstood