Students of the Foreign Languages Department should（ ）themselves with international affairs.
A.正确答案Bbe concerned
B.concern
C.get involved
D.involve
Students of the Foreign Languages Department should（ ）themselves with international affairs.
Students of the Foreign Languages Department should（ ）themselves with international affairs.
A.正确答案Bbe concerned
B.concern
C.get involved
D.involve
