3. All those students you were always ahead of are gaining on you, and you will soon be　　　　 if you don’t study hard.

A. depended on　　　 B. left behind

C. cheered up 　　　　D. cared about

2. Aliceas well as her friends 　　　　for the breakdown of the school computer network.

A. was to be blamed　　 　B. were to blame

C. was blaming　　　　　 D. was to blame

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1. First of all,　　　　　 my company, I’d like to extend our warmest welcome to the distinguished guests from Beijing University.

A. instead of　　　 B. apart from

C. on behalf of 　　D. in place of

5. 那里的大多数居民被认为是没有受过教育的。(reckon)

提升练习

4. 我受到鼓舞而更加努力工作。(inspire)

3. 我代表全体员工，欢迎你来我们工厂。(on behalf of)

2. 他在赛跑中被落在了后面。(leave ...behind)

1. 这个人毕业后从事了记者的职业。(take up)

5. He had a　　　　　　 (suspect)heart attack.

4. You know oil prices are　　　　　 (calculate)in dollars.