Only after she _______ from a severe illness (did she realize = she realized) the importance (sự quan trọng) of good health.

• would recover

• has recovered

• had recovered

• was recovering

The children _______ to bed before their parents came home from work.

• were all going

• had all gone

• had all been going

• have all gone

 Paul noticed a job advertisement (quảng cáo) while (trong khi) he _______ along the street

• was walking

• would walk

• walked

• had walked

I haven’t met him again since we _______ school ten years ago.

• have left

• leave

• left

• had left

When he _______ us to go in, we _______ outside the exam room for over half an hour.

• let - are standing

• let - have stood 

• let - had been standing

• let - have been standing

 When I _______ her, I _______ her your regards. 

Regard: sự chú ý, sự để tâm

• met/was sending

• meet/will send

• met/had sent

• meet/sent

When we enter the room, our boss _______ for us here.

• will wait

• will be waiting

• was waiting 

• will be waited

When I got home I found that water _______ down the kitchen walls.

• ran

• was running

• has run,

• had been running

Quyen _______ in the supermarket when she saw her old friend.

• was shopping

• shops

• is shopping

• has shopped

Mike _______ his favorite program on TV when the lights went out.

• was watching

• is watching 

• watched

• watches