A. Lacking Being lack C. because of lack D. lack
A. if being B. it is C. There is D. There being
A. bought B. buying C. to buy D. buy
A. does B. did C. has to D. had to
A. would change B. has changed C. had changed D. was changing
A. is damaged B. had damaged C. damaged D. was damaged
A. was B. is C. has been D. will be
A. to B. by C. at D. as
A. of B. about C. to D. for