I can guess you___________ your sweater inside out.
| A．had worn | B．wore | C．are wearing | D．were wearing |
Every possible means ________ to prevent the air pollution, but the sky is still not clear.
| A．is used | B．are used | C．has been used | D．have been used |
He felt ______ as soon as he realized that he had asked a foolish question.
| A．bored | B．displeased | C．embarrassed | D．disappointed |
All the neighbors admire this family _______ the parents are treating their child like a friend.
| A．why | B．where | C．which | D．that |
Lucy had an unusual ______ for learning languages when she was a baby.
| A．quality | B．gift | C．purpose | D．sense |
Among the brilliant achievements, a few records _______ because of the moving life stories behind them.
| A．let out | B．stand out | C．leave out | D．pull out |