WHEN HE ..., I ... MY HOMEWORK.A. CAME / WAS DOINGB. HAS COME / DO...
20. When he ..., I ... my homework.
a. came / was doing
b. has come / do
c. was coming / have done
d. comes / was doing
a
20. When he ..., I ... my homework.
a. came / was doing
b. has come / do
c. was coming / have done
d. comes / was doing
a