语法填空(共10小题；每小题1. 5分，满分15分)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答卷标号为3l-40的相应位置上。
A man, now old, went overseas 40 years ago. On his 31 ( depart ), the girl he loved gave him as a souvenir a heart-shaped knot made of knitting wool. He 32 ( hang ) it on his belt ever since.
Several years later he got married and had children. As time went by his sweetheart’s __33___ ( look ) became dimmer and dimmer like a landscape picture 34 ( fade ) away gradually, and his homeland only appeared in his dreams. In the evening of his life he often looked at the knot and sighed.
One day his grandson caught sight of the knot and insisted on getting hold of it as a toy. The boy fondled ( 抚弄 ) and tried to unfold it. At last he did 35 trick and got it loose and open.
When it 36 ( spread ) out it resumed ( 重获 ) its form as a long thread, a very simple wool thread. 37 by the skillful hands of a beloved girl could the thread be knitted into such a complicated knot. Devoted love made so many simple things complex in the world.
Thus the old man was awoken to get a truth. Most of the grievances ( 抱怨 ), bitterness and hatred in life actually result from very small matters. 38 one is mindful of them, they become mental knots. But if one sees 39 the knot, it remains a simple thread or line, no matter 40 shape it assumes.
