问题
We shouldn’t________he trees in order to protect the environment．
A:put
B:take down
C:cut down
D:write down;
B:take down
C:cut down
D:write down;
正确答案是：
同类题型
We are going on a trip to Mount Huang next month.-_______.
Only when Tom fully recovered___________back towork
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No student ______ go out of school for snacks during the break without the teacher’s permission.