Which of these sentences is in the present perfect?
1) I have only good marks at shool.
2)He`s going to travel all year
3)David`s come to the party early.
4)Before we met I had seen him twice at my work.
5) Do you have any questions about this story?
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Ответы и объяснения

Только предложение №3 David`s come to the party early =David has come to the party early. Это время Present Perfect, образованное при помощи вспомогательного глагола has + смыслового глагола to come  в третьей форме (come-came-come)