1．As is known to all, good eyesight (视力) is a requirement for airplane pilots.
2．(2019·江苏苏州高二期中)The FoodforLife programme has helped people by sending emergency (紧急情况) food aid to countries during times of trouble.
3．My parents thought it was abnormal (不正常的) for a boy to be interested in ballet.
4．It’s depressing (令人沮丧的) that we have to wait here for another hour.
5．It was a great privilege (荣幸) to be able to work with them again.
6．In the absence (缺乏) of any evidence, the police had to let Myers go.
