Jean did not have time to go to the concert last night because she was busy ____ for her examinations.
A.to prepare
B.to be prepared
C.preparing
D.being prepared
正确答案是C
Jean did not have time to go to the concert last night because she was busy ____ for her examinations.
A.to prepare
B.to be prepared
C.preparing
D.being prepared
正确答案是C