Patient: 500 yuan for pulling a tooth? It's only a couple of minutes' work.
Doctor: Well, I can do it____if you like.( )
A.quietlyB.more slowly
C.less carefullyD.as quickly as I can
Here are many_______ and________.
This blue pen is .
Look! Some ______ are in the school.
--Are those the ______ books? -- No, they are ______ books.
--______ are they? --They are my ______.