—He failed in the exam again.
—He __________his teacher’s advice.
A. should not have followed
B. should not follow
C. mustn’t follow
D. should have followed
When first to the market, these products enjoy great success.
A. introducing B. introduced
C. introduce D. being introduced
Armed with the information you have gathered, you can ___ preparing your business plan.
A．set out B．set about
C．set off D．set up
Cleaning women in big cities usually get by the hour.
A. pay B. paying C. paid D. to pay
Hearing the boring news, I was too distracted （心烦意乱）to my attention on my homework.
A. attract B. draw C. concentrate D. pay
Tom was ______ that he couldn’t understand ______ difficult sentence.
A. so a stupid boy; such
B. a so stupid boy; a such
C. so stupid a boy; a such
D. so stupid a boy; such a
