_____ofwatermakesDeathValleyadesert,butitisbynomeansdevoid.
Inrecentyearsmuchmoreemphasishasbeenput______developingthestudentsproductiveskills.
Onhearingagreatnoise,Mikelookedforwardthroughthewindow_____whathappenedoutsidetheroom.
Professor Wang , _______ for his informative lectures, was warmly received by his students.