THEY’VE _______ A RESEARCH PROJECT TO INVESTIGATE THE HARMFUL EFF...

153. - LY THUYET VA BAI TAP PHRASAL VERBS CO DAP AN
LY THUYET VA BAI TAP PHRASAL VERBS CO DAP AN

153. They’ve _______ a research project to investigate the harmful effects of air pollution.

A. Brought in B. taken on C. set up D. turned down