A. am
B. is
C. are
D. was
A. has
B. have
C. had
D. was
A. leave
B. leaves
C. left
D. leaving
A. attend
B. attends
C. attended
D. attending
A. is
B. are
C. was
D. were
A. drives
B. drove
C. driving
D. drive
A. have
B. has
C. had
D. was
A. do
B. did
C. does
D. has
A. does
B. do
C. did
D. done
A. ring
B. rings
C. rang
D. rung