Computers are very useful, they can _____ sending e-mails.
A.be used to B.be used with C.be used for
I _____ go to bed _____ my father came back.
A.won’t, until B.will, until C.didn’t, until
My uncle is leaving for Shanghai. I have to _____.
A. see him off B. take him off C. see off him
—My parents don’t allow me _____ computer games at school.
—That’s right. They are bad for your study.
A.play B. playing C.to play
The coat is made _____ silk, and it’s made _____ my mother .
A. of, in B. of , by C. from, of
The hall is too noisy. The speaker has to raise his voice to make himself _____.
A.hear B.heard C. hearing