by a greater demand of vegetables, farmers have built more green houses.

It remains       whether Jim’ll be fit enough to play in the finals.

I feel like ________to Europe _______ a visit next summer vacation.

How did you manage ___________ their approval?

There are various performances ______dancing and singing in the party. 

After supper Wang Wei put her head down on her pillow and went to sleep but I stayed _______.

Peter hurried through dinner, changed into old clothes, _______ in the lab for three hours.

The project, ________ in 2009, has expanded the city’s cellphone network to cover one million users.

Some students didn’t get a brief summary ________ in their essays.

Many problems concerning the improvement of our school remain ________.

Some people argue that both the government and the milk producers are ________ for the death of the babies.

When ________ what made him a popular person, he said it was his personality.

 Tom looked at Jenny, with tears ______his eyes, and shouted out the words ______ in his heart for years.

This part of the country resembles England  ________ its scenery.

.----Who are those people gathering in front of the building? -----A group __________ itself the youth volunteers.

This is the only way we can imagine           him out of his foolish plan.

I would appreciate _____ it a secret.

Oh, look! Here’s a photo ______ in my classroom at primary school. Can you recognize me in it?

Have you made up your mind ________ abroad? I advise you to consider it carefully.

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .