单项选择题
Did you notice the ______ on the doctor's face when he heard that Kino had found the pearl of the world
单项选择题 The energy gained-from the sun can then be used during the night to enable the necessary chemical reactions to ______ in his body.
单项选择题 It is absurd that women ______ be paid less than men for doing the same work.
单项选择题 ______ their terms, we would go bankrupt.
