题目内容
—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 | D.hardly |
B
形容词的比较级 句意“我们做了很多来保护环境,但是还不够。所以我们更应该努力的来保护”。
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