Today there are more airplanes____  more people than ever before in the skies.

A. carry    B. carrying

C. carried    D. to be carrying

________ the program, they have to stay there for another two weeks.

A. Not completing    B. Not completed

C. Not having completed    D. Having not completed

The crowd cheered wildly at the sight of Liu Xiang, who was reported C__ the world record in the 110-meter hurdle race.

A. breaking    B. having broken

C. to have broken    D. to break

The doctor did what he could _______ the boy, but in vain.

A. save    B. to save

C. saving    D. saved

______ in a heavy traffic jam is quite an unpleasant experience.

A. Stuck    B. Having stuck

C. Being stuck    D. To stick

They do not provide a _______ energy supply.

A. stubborn    B. stainable

C. sustainable    D. containable

He expressed his ______ for music in his new book.

A. patent    B. passion

C. pension    D. patience

There was a _______ stream of visitors to the house.

A. constant    B. content

C. concrete    D. conservative

Average temperatures in July _____ from 15 to 25 degrees.

A. rank    B. range

C. reach    D. reduce

We should equip our child ____ a good education.

A. to    B. in

C. with    D. for