Recently, the island of Hawaii had been the subject o fintensive research on the occurrence of earthquakes.

When I turned on my computer, I was shocked to find some junk mail, and I just delete it all

When my cat heard a noise in the bushes, she stopped moving and listen intently

Every morning, the sun shines in my bedroom window and waking me up.

We’ll be cycled to Hoa’s village at this time next Sunday

What will you do when your friends won’t come ?

The train ______ half an hour ago.

He fell down when he ______ towards the church.

We _______ there when our father died.

I ______ to New York three times this year.

John ______ a book when I saw him.

The telephone rang several times and then stop before I could answer it.

I have never played badminton before. This is the first time I _____ to play.

. Since _______, I have heard nothing from him.

The police arrested the man while he is having dinner in a restaurant.

Some people are believing there is life on other planets.