---- Hurry up, or we will miss the sea lion show in the Ocean Park.
---- ______. We still have fifteen minutes before the show begins.
A:Take it easy
B:Good luck
C:I guess so
D:Take care
北美洲和南美洲的分界线是( )
1980年著名作曲家施光南深入安徽.四川农村体验生活,满怀激情地谱写经典歌曲《在希望的田野上》。他选择赴上述农村体验生活的最主要理由是( )