He checked in late, （） he didn’t get a window seat.

A. that
B. so that
C. until

We can finish this work （） a few hours.

A. in
B. for
C. after

I’d like to have an economy （）.

A. service
B. class
C. kind

Progress has been （） in aeroplane design.

A. done
B. made
C. produced

The police knew the （） of the accident.

A. cause
B. reason
C. result

He （） a very important part in the management of the company.

A. takes
B. plays
C. kee

She （） English very hard. 【study】她学习英语很刻苦。

Tom （） his baggage on the conveyor belt. 【put】汤姆正在往传送带上放行李。

汉译英：这架飞机太小，装不下所有的人。

汉译英：他经常晚饭后散步。