Choose past simple or past continuous:Be careful. The train comes/ is coming. I often am...

Question

Choose past simple or past continuous:Be careful. The train comes/ is coming. I often am flying/ fly by plane. sport helps/is helping us to be healthy. I write/am writing my letter now.

Answer 1

is coming

fly

helps

am writing

Answer 2

1) Be careful. The train is coming.
2) I often fly by plane.
3) Sport is helping us to be healthy.
4) I am writing my letter now.