At the Olympic Games, only the athletes who have reached the agreed standard for their event will be______as competitors.

The hostess kept talking with her mouth full of food，_____ all the guests embarrassed(尴尬的).

In order not to _____ in front of the audience, the speaker spent many hours preparing his speech. 

The good thing about children is that they ________ very easily to new environments. 

To       good relationships with your teachers and classmates, you should learn to be on good terms with them.