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We could hardly believe what she says because she is________changing her mind.

According to a UN report, one third of the world population have no _________ to clean drinking water and health care.

Although we haven’t got the accurate statistics, it is estimated that ______ 300 factories in this province closed down during the economic crisis.

We can also______ for you to share an apartment with other international students.

In my opinion, more importance should be ________ to developing students’ abilities to solve problems.

While I was in the foreign country, my younger brother always ____ me of what was happening in big cities in time.

After a careful survey about the cause of the newly-built bridge, they finally came to a(n) _________ that it was due to the heavy rain.

He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system ____.

The top leaders of the two countries are holding talks in a friendly __________.

When the students _____ the teacher about their problems, he was ready to give a helping hand.