1.What is ''by mistake'' means?
2.What is ''by the way'' means?
3.What is ''on the whole'' means?
4.What is ''in ink'' means?
5.What is ''beg for'' means?
6.Are ''break down'' and ''break up'' the same?
7.What is ''cover with...'' means?
8.What is ''cure of...'' means?
9.Divide into half- means
10.divide among three or more than three- means
11.equal to-means
12.escape from-means