How time flies! It's in two months we'll say goodbye to our high school life.A. beforeB.

问题补充：

How time flies! Its in two months well say goodbye to our high school life.

A. before

B. that

C. until

D. when

答案：

A. before

(答案→)B. that

C. until

D. when

解析：B 考察强调句型。分析句子结构可知，本句是一个强调句，被强调部分是in two months；强调句的基本结构是：It is/was+被强调成分+that/who+其他成分。故B正确。