We′re doing a lot to protect our environment ,but it is not good enough,We′re doing a lot to protect our environment ,but it is not good enough.So we should try { ]to look after it ,A;hard B;harder C; hardest详解谢谢
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We′re doing a lot to protect our environment ,but it is not good enough,We′re doing a lot to protect our environment ,but it is not good enough.So we should try { ]to look after it ,A;hard B;harder C; hardest详解谢谢
We′re doing a lot to protect our environment ,but it is not good enough,
We′re doing a lot to protect our environment ,but it is not good enough.So we should try { ]to look after it ,A;hard B;harder C; hardest详解谢谢
We′re doing a lot to protect our environment ,but it is not good enough,We′re doing a lot to protect our environment ,but it is not good enough.So we should try { ]to look after it ,A;hard B;harder C; hardest详解谢谢
B
给出的内容是,我们对于保护环境作了很多,可是还是不够好（not good enough）
后文是应该更努力,努力是try hard
根据上下文的关系,应该是更努力,加上比较级,变成try harder
注意hard本身就是副词,直接加er就可以了
B
没达到理想效果，当然用比较级。
翻译: 我们为了保护环境做了很多，但是这还不够。 所以我们应该 尽力去照顾它。
A努力 B更努力 C最努力
根据原文的意思，是说要更努力去照顾，所以选B
B;harder
根据意境，用hard的比较级，try harder 更加努力的意思
你好！
B
根据上下文，用比较级
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C, try hardest to do something尽最大的努力做某事
答案 选择 B harder
B
翻译: 我们为了保护环境做了很多，但是这还不够。 所以我们应该尽力去照顾它。