—What ____ this in English?

    —It _____ a book.

    A. is, am            B. is, are             C. are, is            D. is, is

What ________ this?

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

---What ________ this piece of cloth used for?

---It is used for ________ the table clean.

1. A.
   does, keeping
2. B.
   is, keeping
3. C.
   will, to keep
4. D.
   does, to keep

---What ______ this in English?
---It ______ a book.

1. A.
   is, am
2. B.
   is, are
3. C.
   are, is
4. D.
   is, is