—Do you know the popular film “Cinderella”?

—Of course, I like it very much. I       the film the other day.

A. saw              B. see

C. have seen         D. had seen

— Oh, I’m sorry for being late.

— It doesn’t matter. The film       for just five minutes.

A. started           B. has started

C. has been on       D. had been on

— They speak perfect English. How long have they learnt it?

— ______ they were seven years old.

A. When              B. Since             C. After              D. Until

I’d like to do some work for the poor students in our town. I think it will be a meaningful         .

A. experience    B. lesson

C. situation    D. knowledge

A lot of fish in the river _______ recently, because there is lots of pollution.

A. has died        B. has been dead

C. have been dead  D. have died