An unhappy childhood may have some negative effects on a person’s characters; however, they are not always_________,

—Why are you smiling at me?— You look ______ in that hat.

  Of the Kar’s boys, Robert is the richest; in other words, Andrew and Krist are _____.

________other workers，the boss finds，Hank is ________worker in his company.

The shy girl felt ________ and uncomfortable when she couldn’t answer her teacher’s questions.