(A) 用所给词的适当形式填空。
Tigers are           (danger) than elephants.
Which do you like          (well), Chinese, English or Japanese?
Is Huanghe one of the longest           (river) in the world?
There are many          (sheep) on the farm.
Humans need water          (drink).
(B) 根据汉语提示，完成句子。
               (事实上), water covers most of the earth.
Girl students              (占了) only 40% of the students.
Rabbits                  (以……为食) grass.
We should save                                (每滴水).
Tom         a bed        (与……分享) Tim.