Please don’t make so much noise.Ia novel

Knowledge and learning are important if we want to besuccessful,but they may also ____ourthinking.[ ]

.We often hear him ______ the piano in the afternoon.

The little fat professor is very popular with his students because he is good at ________ different teaching methods to make his class lively and interesting. [ ]

I can’t believe a little girl can write many books.