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—We’redoingalottoprotectourenvironment(環境),butitisnotgo...

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問題詳情:

—We’redoingalottoprotectourenvironment(環境),butitisnotgo...

—We’re doing a lot to protect our environment(環境), but it is not good enough.

—So we should try______ to look after it.

A. hard             B. harder              C. hardest             D. carefully

【回答】

B

知識點:動詞和動詞短語

題型:選擇題

標籤:環境 butitisnotgo