It is not rare in_____ that people in ______ fifties are going to university for further education.
Armed with the information you have gathered, you can ___ preparing your business plan.
Cleaning women in big cities usually get by the hour.
Hearing the boring news, I was too distracted (心烦意乱)to my attention on my homework.
Tom was ______ that he couldn’t understand ______ difficult sentence.
He was driving home on the highway last night when a policeman stopped him and ________ him of speeding.