问题

There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.

A:if
B:unless
C:because
D:since;

正确答案是：

同类题型

The walls of the rooms are said ___white inno time

ave me so much help, without ____ I couldn’thave succeeded last year．

Which do you like better, McDonald’s or KFC—_______, I just like Chinese traditional food.

一You know what？tom wants to be Harry Potter after he graduates from school．一Are you kidding?He will never ________ a person like him.

Why did you go to London two years ago— I went there with the aim of learning English.