Question

please do complete the whole as advised

Answer 1

exercise 30 -

1)has opened
2)has been presented
3)opened , has opened
4)informed , has produced
5)has invested, lost, has earned.

exercise 31

1)have completed
2)has participated
3)prepared
4)sent , was repaired
5)purchased

exercise 32

1)sang , had been sung
2)had leaked , was discussed
3)landed
4)had locked, arrived
5)had met

Answer 2

ex.30 = >

1)has opened
2)has been presented
3)opened , has opened
4)informed , has produced
5)has invested, lost, has earned.
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ex.31 =>

1)have completed
2)has participated
3)prepared
4)sent , was repaired
5)purchased
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ex.32 =>

1)sang , had been sung
2)had leaked , was discussed
3)landed
4)had locked, arrived
5)had met
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