87.He made full preparation for the examination_______(以便能顺利通过考试).
88.Seniors need to increase their water intake and_______ (有规律地参加身体锻炼).
89.It is generally not advisable that_______ (小孩在低年级时学习负担过重).
90.A decreasing number of today’s workers are willing to work in the same field，_______ (更别说在同一家公司了).
91.Kids who often struggle over words and_______ (理解课文有困难)find little enjoymentin the process of reading.
