A:however
B:whatever
C:whichever
D:whenever
下列有关艾滋病的叙述错误的是( )
下列关于草履虫的叙述中,不正确的是( )
明治维新时期,为日本可持续发展奠定基础的政策是( )
The boy is looking forward to a good time after the exam.