The program "Red Song Chorus" of CQTV is both interesting and instructive. No wonder it __________ a large audience.
—I failed again. I wish I _________ harder.—But you _________.
The headmaster hurried to the concert hall only _________ the speaker
The engineer ______my father works is about 50 years old.
They arrived at a farmhouse, in front of ______sat a small boy.
The pen ______he is writing is mine.