1.
While & when
We _______________ down when we saw the woman.
a. walked
b. were walkes
c. were walking
d. walking
2. While I ___________________ for English test yesterday, my brother _____________ fun with his friends.
a. was studying / was having
b. studied / was having
c. was studied / had
d. was studying / was hasing
3. I ___________________ TV when I ____________ a loud noise.
a. was watching / was hearinh
b. watched / was hearing
c. watched / heard
d. was watching / heard
4. What _________ Add and Helen __________ when you broke the glass?
a. are / doing
b. was / doing
c. were / doing
