右图所示的进化树，简要表示了几种生物之间的亲缘关系。从进化树我们可以推测
—What a pity! Their experiment is a failure. —They ________ better under more favorable conditions.
more energy to my study instead of being crazy about Internet games, I would be sitting in a comfortable office now．
Jack is a great talker. It's high time that he ________ something instead of just talking.
It is necessary that the government solutions for the problems of air pollution to create a clear environment.
We lost our way in that small village, otherwise we________ more places of interest yesterday.
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