Something _____ immediately to prevent teenagers from _____ in factories and mines. A. should be done /being exploited B. we should do /exploiting C. should do / be exploited D. should have
Something _____ immediately to prevent teenagers from _____ in factories and mines.
A. should be done /being exploited
B. we should do /exploiting
C. should do / be exploited
D. should have done /exploited