问题补充:
— Mum, I’m too tired to walk any farther.
— You mean it’s to take a taxi?
A. popular
B. necessary
C. possible
D. interesting
答案:
A. popular
(答案→)B. necessary
C. possible
D. interesting
解析:句意:妈妈,我太累得不能再走了。你的意思是需要乘出租车?popular受欢迎的;necessary需要的,必需的; possible可能的; interesting有趣的。所以选B。