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Allofusthinkthateveryonehasdutytoprotectenvironment.A.不填;theB.the;不填C.a;theD.the;an请问选什么?

题目详情
All of us think that everyone has _____duty to protect______environment.
A.不填;the B.the ;不填 C.a;the D.the;an
请问选什么?


▼优质解答
答案和解析
选择C
has __a___duty to 有责任.
protect___the___environment. 保护环境