— It seems that Mr. Wu is standing there.— It ______ be him because he called me from Canada just now.
A:mustn't
B:can't
C:needn't
D:shouldn't
①总统制国家 ②议会制国家 ③多党制国家 ④两党制国家
春天到了,万物复苏,正是春游的大好季节。实验中学初二(1)班围绕“生命与自然相爱”这个主题开展了一系列的活动,请你参加:
It is necessary for me ____ what everyone said.(write)