1.It is difficult to figure the problem.
答案:out
2.Some of his excellent works are exhibition in the gallery.
答案:on
3.I’ve got all her records but I’ve never seen her the flesh.
答案:in
4.He told us he was once allergic onions.
答案:to
5.The excited boy presented a bunch flowers to his teacher.
答案:of
6.Do you really have a preference the modern music?
答案:for
7.He was invited to give us a speech a famous scholar.
答案:as
8.I can hardly concentrate the book I am reading.Can’t you play the guitar less loudly?
答案:on
