My sister was writing an e-mail ________ I was watching TV at home at this time last night.
A. since B. after C. while D. if
I ______ this bike for three years.
A. have bought B. have had C. have borrowed D. have been
_______ the TV program I Am A Singer came out, music fans all over the country became interested in it at once.
A. As soon as B. Unless C. Although D. Until
—Jason, would you please ________ this notice?
—No problem. I’ll do it right away.
A. put on B. put off C. put up D. put out
Mario works in an after-school reading program_______ kids.
A. help B. helps C. to help D. helping
—I read _______ story about Shen Nong. Do you know who he was, Tony?
—He was_______ emperor in ancient China.
A. a; / B. a; an C. an; a D. an; /
