That's the very way he suggests ____ the math problem.
A:solve
B:solves
C:to solve
D:solving
下列调查中,适宜采用全面调查方式的是( )
“亲子鉴定”常从血液中提取DNA,DNA主要来自于血液中的( )
If he's available, he ________ around the world.
读南、北美洲两种气候类型的分布图, 以下对①、②气候类型的判断,正确的是 ( )