—Have you finished reading the book I lent to you last week?—Not yet. Can I keep it for another 2 days?
A:that
B:who
C:whom
D:whose
下列叙述中哪一项是错误的( )
— She was in great ______ after she broke her leg.
— We should do something _________ her relaxed.
下列现象中,属于光反射现象的是( )
下图是《图画日报》20世纪初的一则图文报道。图中一群上海女性身着旗袍骑着自行车外出。这一现象反映出当时( )