The teacher apologized late.
We offered these students a summer course , aimed _____ improving their spoken English.
England is rather short of arable land , so it is absolutely dependent upon other countries for her food __________.
The young man insisted that he _______ nothing wrong and ________ free.
_______ his arrival at the airport , the film star was recognized and soon surrounded by a group of film stars.
Seeing me, Tom---- one of my old friend, walked across the street ______ to me, saying “Long time no see.”