____ up in the countryside, Jimmy wasn’t used to ___ with his parents in the city.

Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.

Sir, do you have anything _________ this afternoon? If there is nothing to do, I wonder if I can ask for a leave．

_______ in the war, many children have become orphans(孤儿).

"We can’t go out in this weather," said Bob, ________ out of the window.

Don’t worry, the guide will tell you how to avoid ______ ill while travelling.

Rather than ________ abroad with her parents, she preferred __________ volunteer work during the holiday.

The experts advised ____________ our army ____________ modern weapons.

The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.

When one makes new friends, don’t forget ______ old ones.

It remains ________ whether the students will benefit from the monthly exams.

___ by thick bamboo and high forest, the ancient city hadn’t been discovered until the 1990s.

____ the problem was ______ he could deal with, he called the police for help. 

 his business, he had little time to have fun with his little daughter.

Some policemen should be sent to _______ them _______ the animals.

Su Lijie, 39-year-old female graduate of Peking University’s graduate school ended up ____as a house painter back in her hometown. 

This famous article written by Henry is well worth        , but I think it is not worthy     at all.

While crossing the street, you must _______ your riding speed. 

______ in Shanghai for more than ten years, he know  the city very well.

_______ round the city, we were impressed by the city’s new look.