--Sharks will attack people while they are swimming.
--Right. ________ I think people are more dangerous to sharks than sharks are to people.
--What does WTO _____, do you know?
--The World Trade Organization.
--Why ask me to take that early bus?
--Because that bus ________ the 9∶30 am train to Boston.
---Would you like some more tea?
---________,please.
---Look!How busy the building workers are!
---Yes,I see. The houses ________by them will be completed next week.
-How do you feel about your headmaster?
-He loves us very much and he is well ________.
-Are you free after school?
-Sorry.I've planned to treat a friend of mine to dinner ________ for his help.