- 二一组卷

题型：单选题题类：常考题难易度：普通

四川省眉山市第一中学2019-2020学年高一上学期英语开学考试试卷

There are fewer and fewer tigers in the world. The situation will continue ________ humans stop killing them for fur and bones.

A、if B、since C、unless D、because

举一反三

— Easier said than done.We take ___________all factors into consideration, we shall be faced with some other social problems.

— OK! Boating on the lake must be great fun.

相关试卷