Was ________Bill , _________played basketball very well, _______helped the blind man across the street.

I bought _____in that shop,because_____there was very expensive.

. --- Sarah said she wrote you a letter. --- I wonder ______ she is writing to me about.

He doesn’t have _________ furniture in his room—just an old desk. 

A botanist who speaks and writes English is in closer touch with the scientists in other countries than 　　　　who doesn’t．