问题
选择题
It is both _______ and _______ friendly to cycle to school.[ ]
A. enjoyable, environment
B. enjoy, environment
C. enjoyable, environmental
D. enjoyable, environmentally
答案
答案：D
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It is both _______ and _______ friendly to cycle to school.[ ]
A. enjoyable, environment
B. enjoy, environment
C. enjoyable, environmental
D. enjoyable, environmentally
答案：D