The shy girl felt _____ and uncomfortable when she could not answer her teacher’s questions.[ ]

This machine is very easy ________. Anybody can learn to use it in a few minutes.[ ]

You shouldn’t have said that．Look! She is getting _____． — But I meant no harm．

We like playing balls_______ basketball, football and tennis.

Many of the only children are so accustomed to that they react violently when they hear something different.