单选题 Many young people dream ______ a famous car.

单选题 The pandemic (疫情) is under control now and our life is back to ______.

单选题 My friend showed me ______ her new house.

单选题 My mother doesn’t like the red sweater, so I have exchange it ______ a green one.

单选题 It is really a ______ for me to study with you here.

单选题 Lily is good at ______ piano.

单选题 People always enjoy ______ to music while they are jogging(慢跑).

单选题 He has just graduated ______ university.

单选题 Bowing is used ______ many Chinese traditional ceremonies to express thanks.