Complete the gaps with the correct form of.

1)Those who wish to attend the festival should make an early booking.

2)John witness the explosion and called the police.

3)A scary figure appear at the end of the street and walked slowly toward us.

4)The audience applauded the cast at the end of the play.

5)The soap opera is watched by millions of spectator.

6)10,000 viewer watched the match.

7)A huge crowd was waiting in the square to attend the event.

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i think its d, but grammarly says none

explanation: