【单选题】
A collection of photographs was on ( ) in the exibition hall.
【单选题】
Recent medical studies ( ) the effectiveness of a healthier lifestyle.
【单选题】
It is not necessary to ( ) these roles as provider and user.
【单选题】
It was Doctor Tomas ( ) we invited to give us a lecture.
【单选题】
Mary ( ) her daughter into going for a walk after supper.
【单选题】
How many major ( ) can you play in your daily life?
【单选题】
There will be both the ( ) and opportunity for native manangment software enterprises.
【单选题】
His object is to gather as great a ( ) of genetic material as possible.
【单选题】
That is not a judgment that a manager should make ( ) his or her own.
【单选题】
Keeping a proper ( ) between study and rest keeps us energetic.