Great changes ______ in China in the past 20 years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |
When I came in, I found Lucy _____ by the window _____ to music.
| A．seated; listening | B．seated; listened |
| C．seating; listened | D．seating; listening |
The children went home from the grammar school, their lessons_________ for the day.
| A．finishing | B．finished | C．had finished | D．went finished |
----She looks so unhappy. Did you tell her the truth yesterday?
----Yes, but I ____ her later.
| A．must have told | B．should have told |
| C．shouldn’t have told | D．mustn’t have told |
This is the first time we ________ a film in the cinema together as a family.
| A．see | B．had seen | C．saw | D．have seen |
It was several minutes before I was ______of what was happening
| A．know | B．realize | C．wear | D．aware |