Thì QKĐ-QKTD-QKHT

The Second World War _______ in 1939.

• had started

• has started

• started

• start

Mary _______ me an hour ago.

• phones

• was phoning

• has phoned

• phoned

While my mother was cooking dinner, the phone _______.

• had rung

• rang

• has rung

• ring

The manager _______ the store before I arrived.

• closed

• had closed

• has closed

• was closing

My son _______ when I went home.

• sleeps

• is sleeping

• were sleeping

• was sleeping

Before cars _______, people _______ horses and bicycles.

• were discovered/ had used

• have been discovered / have been using

• were discovering / use

• is discovered/ using

I _______ in the waiting room when I heard someone _______ me.

• am sitting / called

• have sat / called

• was sitting / call

• am sitting / to call

When I _______ to visit her last night, she was watching TV.

• came

• has come

• is coming

• had come

Yesterday I went to Nam’s house, but the front door was locked. He ___________ out.

• went

• had gone

• was going

• has gone

By the time I__________ into town, the shops ___________.

• get / has closed

• got / had closed

• got / closed

• had got/ closed