-- Must I dress up as the Monkey King?
-- No, you . You can choose whatever you like.
A:can't
B:mustn't
C:shouldn't
D:needn't
已知α∈(π2,π),sinα=35,则tan(α+π4)等于( )
《观沧海》中表现诗人博大胸怀的句子是:____,____,____;____。
所有血管中,血流速度最快的是( )