问题
选择题
Tom took a taxi to the airport, only _____ his plane high up in the sky.
A．finding
B．to find
C．being found
D．to have found
答案
B
本题考查非谓语动词。句意为：汤姆乘的士赶到机场，结果只发现他要乘坐的飞机已经飞入高空了。此处only后接动词不定式to do表示意想不到的结果。故选B。