根据下列各句句意及所给单词的首字母或汉语提示，用正确形式的单词填空。
小题1:I can see many beautiful Christmas __________ (装饰) on the streets.
小题2:She was always __________ (乐观的), even when things were at their worse.
小题3:A cinema is a public place of __________ (消遣).
小题4:He prefers going on with his work to __________ (退休).
小题5:He is to be __________ (祝贺) for his success.
小题6:It is reported that an aircraft c__________ near the city but luckily no one was killed.
小题7:Little Tom wrote “Granny, Heaven” on the e__________, and then gave it to his father to post.
小题8:A few of the students failed in the examination, you i__________.
小题9:I don’t know if we can help – that d__________.
小题10:The doctor had to cut off his left leg and fix an a__________ leg for him.