Many experts believe that teachers’ development is _____ the key to better education lies

He admitted________in the exam—That’s why he was not admitted________universities or colleges

The Chinese government has promised to do ______ liesin its power to ease the pressure of high housing price for average-incomefamilies.

Susan _____Catherine so much in the wayshe talks.— Of course. She is Catherine’s daughter.

He took pity on the people in the flooded-areas and ______ his clothes and quilts to them.]