选词填空

cross out; throw new light on; due to; combine with; in particular; fall behind

【小题1】I want to ________the unnecessary words.
【小题2】Dogs have complex emotions such as jealousy (嫉妒) and pride, according to a scientific research that ________their relations with humans.
【小题3】Gradually, they ________the Kunqu Opera, Yiyang Opera, Hanju Opera and Luantan, and formed the present Beijing Opera.
【小题4】________ her contribution in serving the society, she was awarded the Nobel Peace Prize aged 69.
【小题5】All the candidates are excellent, but I like the last one ________— his experience is just what we need at the moment.
【小题6】I become worried and afraid that I will ________in English.