My mother taught me that we should a__ to others however small the mistake you make is.

It made many countries angry that America, without the p++ from the UN,started a war in Iraq.

The mother was trembling with anger.She g__ at her son and said nothing.

In the art exhibition,people always stand in front of the paintings or handwritings quietly,a__ the beauty consisted in the works.

Keeping the b__ of nature is very important.

Oxygen usually e__ in the form of gas in nature but when made cold enough,it can also take the form of solid.

It is bad m__ to interrupt others when they are speaking.

The new teacher made a good i__ on the students by her rich knowledge and humorous talk.

The sound of the great waterfall can be heard from a d__ of 60 miles.