was sure
(B) 9.1
(B) 10. We
CB
CA
BD
my experiment results were accurate, but my teacher said otu
(A) why
(B) that
(C) where
(D) when
English grammar for three years, but we still have a hard time und
(A) are studying (B) have studied (C) were studying (D) had studied
11.I'm not Joan's sister,
her mother. I'm glad you're mistaken, though.
(A) is
(B) am
(C) but
(D) however
) 12.On the other side of the park several dog owners playing with their de
(A) were
(B) was
(C) is
(D) has been
13. In Mr. Brown's backyard a beautiful lemon tree that has been there fa
CLY (A) standing
(B) stands
(C) stand
(D) stood
) 14.I was sure
finishing the homework before midnight would be impossi
(A) about
(B) that
(C) when
(D) of
15. Under the Christmas tree the gifts the members of the Jones family ha
B)
D
another.
(C) are
(D) were