The opportunity to explore and play and the encouragement to do so Can ________the performance of many children ．

The team played hard because the championship of the state was______.

About 20 of the passengers who were injured in a plane crash are said to be in_____condition ．

It is estimated that ，currently, about 50，000 species become _____every year ．

Successful learning is not a(n)________activity but consists of four distinct stages in a specific order

We aim to ensure that all candidates are treated fairly and that they have equal______to employment opportunities ．

After his uncle died ，the young man _____the beautiful estate with which he changed from a poor man to a wealthy noble ．

His wife has been _______a lot of pressure on him to change his job.

The destruction of the twin towers _________shock and anger throughout the world ．

The interactions between China and the US will surely have a significant_______on. peace and stability in the Asia .—Pacific region and the world as a whole.