【評論主題】4 Professor Chen sometimes _____ the chairman, who trusts her as both a colleague and an old friend.
【評論內容】
(A) falls out of 放棄, 中止，放棄習慣等
Some constructions gradually fall out of use, others push their way in .有些結構不用了，而另一些結構又出現了。
(B) fills out for
fill out (因年齡而)發福，增胖
(C) falls in (屋頂或天花板)坍塌
(D) fills in for
fill in 代替，臨時補缺