A. excite B. graduation ceremony C. role D. environment A. thresh B. sacrifice C. do homework D. call off A. college B. defence C. I D. rose A. expect B. fall down C. animal sign D. pierce A. public B. full-time C. in the form of D. once more A. director B. fall C. get away with D. authentic A. knock B. Ottawa C. note D. so far A. wander B. wait and see C. have a seat D. sock A. without doubt B. victorian C. succeed D. painlessly A. set off B. twin towers C. wink D. halt