He didn't see me as he was reading when I . into the room.
1.had come
2.came
3.had been coming
4.was coming​

2. came

He didn't see me as he was reading when I came into the room.

1.the solar sail will destroy the asteroid.

the solar sail won't destroy the asteroid.

will the solar sail  destroy the asteroid?

2.we'll be able to have holidays in space soon.

we won't  be able to have holidays in space soon.

will we  be able to have holidays in space soon?

3.they're going to send a manned spaceship to mars.

they aren't going to send a manned spaceship to mars.

are they going to send a manned spaceship to mars?

4.mark is going to be an astronomer.

mark isn't going to be an astronomer.

is mark going to be an astronomer?

5.you'll have to wear a spacesuit.

you won't have to wear a spacesuit.

will you have to wear a spacesuit?

agata christie used to work as a nurse.

lord byron used ti be outside the capital/

mr twist used to catch birds with glue.

todd marinovich didn't use to eat    chocolate

the assyrians and the greeks used to be fond of long curly hair

their slaves used to do their hair curled using special instruments