31. The chair looks rather hard，but in fact it is very comfortable to________.

sked to explain ________ he does to makehis students so fascinated with his lessons, the teacher paused and thoughtdeeply

er Lee Chong Wei,who ______ his game due to injury.

I want to know _______ she will look like when she grows up.

red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened