A. to study B. to study in C. studying in D. studying
A. Giving B. Given C. Having given D. Being given
A. their heads B. the head C. head D. the heads
A. did we; also came B. we did; came also C. we did; also came D. did we; also did come
A. not B. not to C. no D. do not
A. let B. get C. have D. make
A. seeing B. about having seen C. to see D. to have seen
A. that B. is C. it D. is it
A. after B. before C. as D. until
A. to laugh B. from laughing C. laughing D. to be laughing