Question

Answer 1

have you studied

have studiedd

was

am listening

will make

do you think you will stidy

left

have he called

will have

Answer 2

have-studied-have studied

have been

am listening

will make

do you think if you study

left

has-called

will have

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Answer 3

1.have you studied/have studied

2.have been

3.listened

4.made

5.do you think you study

6.leaves

7.has he called

8.have had