Having mastered the technology of manned spacecraft, China became the third coun

题型：上海期末题难度：来源：

Having mastered the technology of manned spacecraft, China became the third country in the
world ______ manned spaceflight independently.[      ]
A. to develop
B. developing
C. developed
D. develop

答案

举一反三

— What do you mean by saying every minute counts?
— I just mean that every minute must be made full use of ______ for the final examination. [     ]
A. prepare
B. prepared
C. preparing
D. to prepare

题型：重庆市期末题难度：| 查看答案

Passengers are permitted _____ only one piece of hand luggage onto the plane.  [     ]
A. to carry
B. carrying
C. to be carried
D. being carried

题型：甘肃省模拟题难度：| 查看答案

With a lot of problems ____, the newly-elected president is having a terrible time  every day.   [     ]
A. settled
B. settling
C. to settle
D. to be settled

题型：同步题难度：| 查看答案

The headmaster told the boy____ the angry teacher, but he refused to.  [      ]
A. to apologize
B. apologize to
C. to apologize for
D. to apologize to

题型：同步题难度：| 查看答案

Martin set out ______ his homework as soon as he went home.      [     ]
A. doing
B. for doing
C. to do
D. to doing

题型：同步题难度：| 查看答案