16 
Drag the items on the right into the middle to match with the items on the left.
lesson / course
forehead
mainly
to reintroduce
to lead to / to cause
engaged
to classify
constitution
to quote
to gather
picky / fussy
commerce / trade
intelligent
to break down
to cut
to shut
class
brow
chiefly
to bring back
to bring about
busy
to categorise
charter
to cite
to collect
choosy
business
clever
to collapse
to chop
to close

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