It was in the street I met one of my friends yesterday.A. howB. thatC. whichD. when

问题补充：

It was in the street I met one of my friends yesterday.

A. how

B. that

C. which

D. when

答案：

A. how

(答案→)B. that

C. which

D. when

解析：句意：昨天我就是在街上遇到我的朋友的。这里用的是强调句，强调结构是：It is/was+强调部分+that…，判断是否是强调句的方法是：去掉强调结构，如果这句话仍然成立，就是强调句，这句话如果去掉强调结构是： I met one of my friends in the street yesterday.所以是强调句，所以选B。