I really wonder he has posted me many parcels we didn’t work together.
A. that; before
B. which; since
C. X; when
D. that; since
网友回答
A. that; before
B. which; since
C. X; when
(答案→)D. that; since
解析: 英语中的连词since有这样的特性:终止其后从句中的延续性的谓语动词的动作。第二个空白处填人since之后,这个从句的意思是:自从我们不在一起工作起。此外,since还可使其后从句里的非延续性的谓语的动作延续。例如:It is 15 years since he joined the Army.(他参军已经十五年了。)