It was not until I started my own career that I realized precious time I had

题型：不详难度：来源：

It was not until I started my own career that I realized precious time I had wasted before.

A．so

B．how

C．what

D．that

答案

解析

略

举一反三

The US auto (汽车) industry, a symbol of the American spirit, narrowly escaped a sudden breakdown, _____ China has become the world’s top automaker.

A．when

B．while

C．but

D．although

题型：不详难度：| 查看答案

The food was good, _______ he had little appetite (食欲).

A．so

B．otherwise

C．however

D．but

题型：不详难度：| 查看答案

—Where is that report?
—I brought it to you _______ you were in Mr. Black’s office yesterday.

A．if

B．because

C．when

D．before

题型：不详难度：| 查看答案

Sally worked late in the evening to finish her report _______ her boss could read it first next morning.

A．so that

B．because

C．before

D．now that

题型：不详难度：| 查看答案

Some people waste a lot of food ________ others haven’t enough to eat.

A．however

B．when

C．as

D．while

题型：不详难度：| 查看答案