Choose the letter A, B, C, or D to indicate the sentence which is the most correct.

I / join/ the school English club,/ and / work/ as a tutor of English.

Mai last time travelled to Europe two years ago.

It has been two years since Mai last travelled to Europe.

Mai haven't travelled to Europe for two years.

Mai began travelling to Europe two years ago.

I tutored some primary school students for a semester.

I tutor some primary school students for a semester.

I have tutored some primary school students for a semester.

I tutoring some primary school students for a semester.

At first, they can’t speak or write a full simple sentence.

At first, they couldn’t speak or write a full simple sentence.

At first, they don’t speak or write a full simple sentence.

At first, they didn’t can speak or write a full simple sentence.

That was the last time I went bird-watching.

This is the first time I have gone bird-watching.

That was the first time I went bird-watching.

This is the first time I went bird-watching.

I asked them to revise every unit of their textbook.

I asked them revise every unit of their textbook.

I ask them to revise every unit of their textbook.

I asked them revising every unit of their textbook.

The last time I went on an excursion was in 2020.

I haven't gone on an excursion for a year now.

I first went on an excursion in 2020.

2020 was the first time I went on an excursion.