87. His teaching _____ was raised to twelvehours a week in college.

Be careful not to knock anything _________ the floor when you ________ the bookshelf.

I__________glassessinceIwasinprimaryschoolandIhatethem.Theymakemelooklikeabookworm. [ ]

He told me that his request for a rise hadbeen _____.

You didn’t come to the meetingyesterday afternoon, did you —No, I ________ at thestation for my uncle from Beijing.