—What were you trying to prove to the police? —______I was last night .
A good advertisement often uses words ________ people attach positive meanings.
— Why haven’t you asked her to come here?— She _______ an important experiment when I found her and she _______ it.
The brave national spirits showed in the film The Flowers of War are ________ deeply moved the audience.
Women _______ drinking more than two cups of coffee a day have a greater chance of having heart disease than those ________ don’t.
I am writing to express my _______ for the safety of children travelling on school buses, especially those on high-risk and highway-speed routes.