Mr. Zhao has taught in our school _____ 3 years ago.
A. since B. for C. /
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. playingC.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
The engineer will return from Hong Kong _____ a few days.
A.in B.for C.after