1.The librarian has catalogued each book in the fiction section.为什么each要改成every?
2.the bird sister of his is such a spitfire.为什么the 要改为that
3.I feel as if my head were on fire.为什么were要改为was
4.I has worked (work) all day ,(and I'm tired out)为什么has worked 要改为have been working
5. Peter has been injuring his ankle.(his ankle is still bad)为什么has been injuring要改为has jnjured