单项选择 较易0.85 引用1 组卷78
Everybody should keep the environment ________.
A.clean | B.cleaned | C.cleaning | D.to clean |
21-22六年级下·上海·单元测试
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People put the rubbish into the rivers and it pollutes the water.
A.makes…clean | B.makes…quiet | C.makes…dirty |
Although the road to success is not always ________, we should do whatever we can do to go for it
A.clean | B.safe | C.smooth | D.dangerous |
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