Question

Answer 1

to play 

was written

was

to concentrate 

will => would 

took -> take

would -> will

than -> as

not to spending -> not to spend

Answer 2

2 to play

3 was written

4 was

5 to concentrate

IV

1 B 

2 D

3 A 

4 D

5 B

Answer 3

to play

was written

was

to concentrate

b d a d b

Answer 4

2.to play

3.was

IV

3A

4D

5B