问题

_________he is the son of the boss, he started from the lowest position as a common employee

A:Unless
B:Since
C:While
D:As

正确答案是：

同类题型

I’m going to write articles and send _________ magazines and newspapers.

It is far better for one to drink milk, ________ one gets healthful nutrients, than to drink coffee, ________ contains harmful substances

I don’t understand _________ that everything’s finewhen it’s not.

He didn’t tell the truth in order to escape _____. [ ]

We __________ our lives had it not been for the policeman.