二、单项选择Don’t worry too much about ________ mistakes. They’re ________ natural part of learning something.
We had wanted to finish our task by noon,but it didn't quiteas planned.
that Marie was able to set up new branches elsewhere.
As a result of the serious flood,two-thirds of the buildings in the area.
____parents say and do has a life-long effect on their children.
Though he started late,Mr.Guo played the piano as well as,if______,Miss Liu.