A.dragon
B.dinosaur
C.bear
D.eel

A.pollution
B.condition
C.question
D.occupation

A.machine
B.children
C.champion
D.cheapness

A.restaurant
B.necessity
C.composer
D.director

A.restaurant
B.necessity
C.composer
D.director

A.countryside
B.Vietnamese
C.dishwasher
D.festival

A.gallery
B.microphone
C.musician
D.instrument

A.the homeless
B.the rich
C.the happy
D.the old

A.the homeless
B.the rich
C.the happy
D.the old

A.to learn
B.to finish
C.to teach
D.to send