1 . Gary was told that the film ________ for a quarter.

A．began

B．had begun

C．had been on

D．has been on

2 . The film “Interstellar” ________ for half an hour when she entered the cinema.

A．has begun

B．had begun

C．have been on

D．had been on

3 . By the time the rescue men came to help, Jack had ________ (manage) to get out of the fallen house.

4 . Suddenly, I realized that I ________ my umbrella on the bus.

A．forgot

B．had left

C．had forgotten

D．left

5 . When we got to the theatre, the play ________ for half an hour.

A．has started

B．had started

C．had been on

D．has been on

6 . He asked if the girl ________ (find) her lost bike.

7 . He didn’t know who ________ (break) the window.

8 . They ________ (plant) six hundred trees before last Wednesday.

9 . —It’s 10 o’clock now. Why are you so late, Jenny?
—Sorry, Mom. By the time I got to the bus stop, the last bus ________. So I had to walk home.

A．has left

B．had left

C．will leave

D．would leave

10 . We got to the cinema. The movie began.（用before合并为一句）
The movie _______ _________ before we got to the cinema.