I really don't know the answer. I'm just guessing.
A:trying to look smart
B:trying to get up
C:trying to get an answer
热带雨林降雨频繁的主要原因是( )
All these CDs are the boys.
下列常见图例和表示的地理事物对应不正确的是( )
Look, the computer ____ (be) red.