Hewasalmostasleep,____withallthishardwork.
B
【句意】他干了这么多重活儿，累得精疲力竭，差不多睡着了。
【难点】wear out意为“使疲乏;使厌倦;使耗尽”;wear down意为“使消瘦，使厌烦”;wear off意为“渐渐减少;消逝”;wear away意为“消磨，打发，虚度;(时光等)流逝”。
—Doyoumind__________here?
—________.
Tom ____ of his wife how she had met her friend.
It is necessary that the students ____ more excercises to do.