问题
I find _______necessary to do everything we can ____________protect the environment.
A:it; do
B:this is; do to
C:it; to
D:it; in order that;
B:this is; do to
C:it; to
D:it; in order that;
正确答案是：
同类题型
I’d like to know ______ Chinese. [ ]
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go to Hawaii or California , wehave to find a way to escape the snow this winter
Do you plan yourhomework at home—Yes, of course.
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