1.________by a group of children,the old man was delighted.
A.Surrounded B.Surrounding
C.To be surrounded D.To be surrounding
2.I called the airline to________my flight reservation a week before I left for Toronto.
A.see B.consult
C.confirm D.strengthen
3.The new teacher made a good________on the students by her rich knowledge and humorous talk.
A.feeling B.effect
C.impression D.sense
4. The conference has been held to discuss the ________of global warming on people’s lives all over the world.
A.importance B.effects
C.protection D.impression
5.When someone________,he or she starts living a quiet life in one place,especially when he or she gets married or buys a house.
A.sets down B.settles down
C.moves down D.puts down