—My son is lost . Have you seen a boy passing by here?

   —I saw_____ boy hidden behind_________tree over there . You may go and have a look.

         A. a; the        B. the; the    C. a; a            D. the; a

—My son is lost . Have you seen a boy passing by here?

   —I saw        boy hidden behind          tree over there . You may go and have a look.

       A. a; the       B. the; the    C. a; a          D. the; a

—My son is lost . Have you seen a boy passing by here?

   —I saw        boy hidden behind          tree over there . You may go and have a look.

       A. a; the       B. the; the    C. a; a          D. the; a

---My son is lost . Have you seen a boy passing by here?

---I saw        boy hidden behind          tree over there . You may go and have a look.

1. A.
   a; the
2. B.
   the; the
3. C.
   a; a
4. D.
   the; a

—My son is lost . Have you seen a boy passing by here?
—I saw        boy hidden behind          tree over there . You may go and have a look

1. A.
   a; the
2. B.
   the; the
3. C.
   a; a
4. D.
   the; a