A. go
B. goes
C. went
D. gone

A. is 
B. was
C. were
D. be

A. are
B. is
C. was
D. were

A. meet
B. meets
C. met
D. meeting

A. eat
B. eats
C. ate
D. eating

A. has
B. have
C. had
D. was

A. gives
B. gave
C. give
D. giving

A. do
B. does
C. did
D. has

A. have eaten
B. had eaten
C. ate
D. eating

A. is
B. are
C. was
D. were