There are so many books that I can’t decide _______.
A.to choose which one B. which one to choose
C. to choose what D. what to choose
The sign ______ ,“No parking.”
A.reads B.read C.reading D.was reading
_______ it is to help the old men clean the houses!
A. What a great fun B. How great fun
C. How great a fun D. What great fun
We went to Mr Wu for _______.
A.an advice B.some advices
C.some advice D.advices
It is important ______ the piano well.
A.of him to play B.for him to play
C.of him playing D.for him playing
Hainan is a very large island. It is the second ______island in China.
A.large B.larger C.largest D.most large
