She wants _____.

        A.three dozen of these eggs        B.three dozens of these eggs

C.three dozen of this eggs         D.three dozen of these egg.

She wants _____.

1. A.
   three dozen of these eggs
2. B.
   three dozens of these eggs
3. C.
   three dozen of this eggs
4. D.
   three dozen of these egg.

________ children were there.

1. A.
   Three dozens
2. B.
   Two dozen of
3. C.
   A dozen of
4. D.
   Dozens of

____________ children were there.

[    ]

　　A. There dozens    B. Two dozen of    C. A dozen of    D. Dozens of

She went to the bookstore and bought       .

1. A.
   dozen books
2. B.
   dozens books
3. C.
   dozen of books
4. D.
   dozens of books