A. have B. has C. had D. has been
A. attends B. attend C. are attending D. have attended
A. is B. are C. were D. have been
A. become B. has become C. becomes D. is becoming
A. was destroyed B. is destroyed C. were destroyed D. has been destroyed
A. are agreed B. were agreed C. have agreed D. has agreed
A. am B. be C. is D. are
A. is B. has C. are D. were
A. is B. was C. are D. were
A. has B. have C. had D. is having