______ at the airport, Mrs. Robertson felt a great burden taken off her shoulders. A: A.Seen her two sisters-in-law off B: B.Having seen her two sisters-in law off C: C.With her two sisters-in-law seen off D: D.By seeing her two sisters-in-law off

He ____________ watch TV. A: was seen to B: was seen C: seen D: has seen

Never ____ such a big fish. A: I had seen B: I have seen C: have I seen D: had I seen

The old lady with her two daughters () in a street corner. A: will be seen standing B: was seen standing C: were seen stand D: was seen stand

—Have your students ever seen the silent film —No, they are too young ()the old film. A: to seeing B: have seen C: to have seen D: to have not seen

Not only _____ the film, but he had read the book as well. A: he had seen B: had he seen C: has he seen D: he has seen

“Have you seen the film?” he asked me. →He asked me _______. A: had I seen the film B: I had seen the film C: if I have seen the film D: whether I had seen the film

She hasn’t seen the film. I haven’t seen it, either.She hasn’t seen the film. ______ ______ I.

Such films _____ by children like you. A: must be not seen B: must not be see C: must not seen D: must not be seen

Helen asked me ______ the film called The Wandering Earth. A: have I seen B: had I seen C: whether I have seen D: if I had seen