be engaged in researches
... a soldier with the work in. The experience aspect, has been engaged in the research development correlation work since the first work also to have the 7~8 year, also because...
...worth to be visited 10. Dr. Schneider has been engaged in(( )) for ten years. a. making cancer research b. many cancer researches c. a cancer research d. cancer research Q...
... to pursue a masters or doctorate degree in Biology and be engaged in research work.