Choose the correct word

If we _________ water carefully, more people will have fresh water. *
A. will use
B. would use
C. using
D. use
The government is sending . . . . . accommodation to the homeless people the flood *
A. short
B. aid
C. temporary
D. permanent
Choose the word which is stressed differently from the rest. *
A. athletic
B. historic
C. dramatic
D. classic