—Is there any possible way to help them get rid of such a bad habit?—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .
Two American couples each ___ a Chinese girl and they happen to be twin sisters.
Witches(巫婆)are said to _______ magical powers to communicate with gods who are ______ of everything on the earth.
By the time Mary gets home, her aunt ____ for London to attend a meeting.
Hardly ______________ when it began to rain.
________ for the free tickets, I would not have gone to the films so often.