145.gentlemen always shake hands when__to each other.

题目

145.gentlemen always shake hands when__to each other.
A to introduce B introduced C intrduce D introducing
146.it was __he was ill that day__he knew nothing about the accident.
A as;which B because;that C since;when D for;why
为何选BB

答案

1.题意是当绅士被介绍给别人的时候,他们会握手.when后省略了they are.
2.这是个强调句,前面表原因选because,不好选哪个“因为”,后面也只能选that.固定句式.