do the research on对吗

he began to do the research on the tea trees ____it was the 英语翻译I’am helping to do research on the coral and the fish th 英语翻译The research on cultural tourism reported on here,undert what you said on the phone?这句话对吗?应该是what do you said on the keep on to do对吗, 英语翻译The Simulation and Research on the Control Strategy& the on the right对吗 What do you do usually on the weekend 这句话对吗? Those were the graduate assistants ______ to do the research Those were the assistants_______to do the research work in t A Research on the Communication Functions and Cultures of Bo Scientists are doing research on the way, how children learn