单项选择题It has()to change your life with sound decision.A.potentialB.possibleC.probableD.continental
单项选择题_______ my opinion, customer service here has improved but not as much as expected over the last 2 years.A.OnB.InC.ForD.With
单项选择题He spoke ()all the members of the faculty and staff.
A.on behalf ofB.in behalf ofC.at behalf ofD.as behalf of
单项选择题Actors were ()in various costumes to represent the people of the commonwealth.
A.dressed upB.dressingC.wornD.wearing
单项选择题Mrs.Smith ()in working on the problems again though she had failed more than a dozen times.
A.consistedB.persistedC.insistedD.assisted