____ scientists have done a lot of research on A1H1N1 flu,th
____ scientists have done a lot of research on A1H1N1 flu,th
____ scientists have done a lot of researth on the (H1H1) fl
Scientists have done a lot of r_ on dinosaurs sinse long ago
despite a lot of research,scientists can not figure out ____
___ research ___ the universe scientists have put a lot of i
Scientists have learnt a lot _________the kinds of food peop
Scientists have made a major __ in cancer research.
have ____ fun(a lot/lot of/many/much)
lots of scientists carried out____health food(a research int
He _______ a lot of time on research ______ agriculture.A sp
scientists have made a lot of important d___ in science in t
Scientists have learned a lot about the kinds of food people