do research对吗?那doresearches是不是不对?哪个用法正确.

do research对吗?那doresearches是不是不对?哪个用法正确. do the research on对吗 do the research on对吗 do research on等于什么 We need to do marketing research是什么意思 Now do some research and think . do experiment/ research怎么翻译啊 do research onresearch要加冠词吗? do research on等于什么RT do a lot of research on do research into...例句例句翻译 research Research research he do home work这里的do是助动词吗 那否定形式是和 do not homework对吗 Where is my desk?这句话对吗?那Do you know where my desk is?这句话对吗? Where is my desk?这句话对吗?那Do you know where my desk is?这句话对吗? needed to do 对吗