—Is the black dog yours? —No it isn’t. It’s my ______
A. grandparent’s B. grandparents C. grandparents’
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 |