1 . What the public is_______about is whether medical workers and scientists will be able to find a cure for the new disease in a short time.

A．concerning	B．concern
C．concerned	D．to concern

2 . As we all know, parents are concerned ________their children’s study, because it is concerned ________their future.

A．with；about	B．about；for
C．for；about	D．about；with

3 . —We didn’t expect there were so many suggestions ______ at the meeting.
—Really, now what they _______is how we deal with these suggestions.

A．come up, concern about

B．that are come up, are concerned with

C．came up, concern

D．coming up, are concerned about

4 . Tom ____ skating, so he spends all his spare time on it.

A．is popular with	B．is concerned about
C．is proud of	D．is crazy about

5 . Hearing the news about the crash of Air France Flight 447, he became very concerned _______ his daughter on board.

A．in

B．with

C．about

D．at