apology to sb for sth.
　　abide by
　　specialize in sth/doing sth.
　　cooperate with
　　dispose of
　　throw/cast light on 使明白/阐明
　　conform to
　　be thankful to/be grateful to sb
　　turn out 生产/证明是
　　a sheet of paper
　　restrain/ keep/ prevent /restrict /stop /protect /prohibit sb from sth/doing sth
　　response/ reply/ key/ attitude/ approach/ answer/ introduction/access /exposure /objection to
　　interfere in干涉
　　be accustomed to/
　　adhere to
　　interfere with妨碍
　　What if…? 陈述语序
　　stick to
　　take to