On weekends, if Mr. Brown is.........., Nam and his sons help him on the farm.
A.busy
B.free
C.available
D.occupying

Everyday when Nam finishes his homework, he .............the chickens.
A.foods
B.nurses
C.feeds
D.gets food

Nam, a student from Ho Chi Minh city, is............ student in the USA.
A.a change
B.an exchange
C.to change
D.to exchange

To reach the village we have to cross a small bamboo.............
A.bush
B.shrub
C.forest
D.forestry

A.marvelous
B.impatient
C.relation
D.destructive

A.line
B.fine
C.site
D.fit

A.houses
B.faces
C.horses
D.places

A.promise
B.forget
C.defrost
D.receive

A.happy
B.early
C.allowed
D.injured

A.important
B.chemical
C.director
D.completely