Nine minus(减去) three ______ six .

Nine ________ pounds a week? That's very good.

1. A.
   hundred of
2. B.
   hundreds of
3. C.
   hundreds
4. D.
   hundred

Nine minus(减去) three ______ six

1. A.
   are
2. B.
   is
3. C.
   be
4. D.
   make

---Nine _______ pounds a week?

---That's very good.

1. A.
   thousand of
2. B.
   thousands of
3. C.
   thousands
4. D.
   thousand