问题
选择题
Every Earth Day , We are made _____ signs to warn people to protect the nature .
A．design
B．designed
C．to design
D．designing
答案
答案：C
题目分析：句意：每个地球日，我们都要求去设计标志来提醒人们保护自然。Be made to do sth.被要求做某事，后接动词不定式，故选C。