__________ you understand the rule, you will have no further difficulty.
A. While B. Once
C. Though D. Unless
—Tony, you must have noticed the student who broke the window.
—I’m sorry. I _______ attentively.
A. studied B. was studying
C. am studying D. would study
He didn’t seem to mind_____________ TV while he was trying to study
A. them to watch B. that they watch
C. their watching D. watching
Staying one day in a Shangri-la Hotel costs _______ renting a house in my hometown for a month.
A. as much as three times B. three times the price of
C. as many three times as D. the three times price of
_______ not to drive after drinking, some drivers are still trying their luck, which is really dangerous.
A. Being reminded B. To remind C. Having reminded D. Reminded
I told you that you shouldn't waste your time playing the computer games,_____________?
A. didn't I B. did I C. should you D. shouldn't you
