单项选择题
It's time （） about the traffic problem downtown.
A.something was done B.everything is done C.anything will be done D.nothing to be done
单项选择题 The company （） a rise in salary for ages, bul nothing has happened yer.
单项选择题 The presidential candidate （） his position by winning several primary elections.
单项选择题 She remains confident and （） untroubled by our present problems.
