When /While - Past Events

What were you doing ______ I called you ?

• when

• while

We _________ (watch) a movie when the screen went black.

• watch

• watched

• have watched

• were watching

Answer explanation

We use past continous tense to talk about an action that continued for a period of time in the past.

I was having lunch when Hoa_______.

• arrived

• was arriving

• arrive

• not arrive

He cut his finger when he_________.

• cooking

• cook

• was cooking

• were cooking

Nhi ________ into the room when I was sleeping.

• came

• come

• was coming

• is coming

When Lan Anh came, we _____.

• were singing

• sang

• was sung

• is singing

When I _____, the electricity was cut off

• were working

• was working

• worked

• didn't work

Tina: "I'm so sorry, I'm late"

Niny: "______"

• Nothing

• Never mind

• You're welcome

• That's a good idea

...........it rained, we were swimming in the pool.

• When

• While

Sam was driving to work when .............

• the rain started

• the rain was starting