问题
选择题
Today there are more airplanes________ more people than ever before in the skies.
A．carry
B．carrying
C．carried
D．to be carrying
答案
答案：B
题目分析：考查现在分词作定语。句意：现在比以前有有更多的飞机运送乘客。此处airplane和carrying之间是主动关系，故用现在分词作定语。故选B。