问题
All __________ people on the earth should use the natural resources wisely， or they __________ by the nature sooner or later.
A:but
B:while
C:instead
D:instead of;
B:while
C:instead
D:instead of;
正确答案是：
同类题型
He hardly goes to school by car, _________ he
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We are thinking about ________ can be admitted into our club. The number of members is limited.
Our city looks more beautiful!-Yes. Lots of trees and grass ______ since last year.
His failure in the exam was expected________, it was still very disappointing