April 1 st is a special day, practical j
题型:选择题
问题:
April 1 st is a special day, practical jokes may be played without punishment.
A.in which
B.on which
C.with which
D.for which
April 1 st is a special day, practical jokes may be played without punishment.
A.in which
B.on which
C.with which
D.for which