It is well-known that sports will(strength)_the friendship between nations
问题描述：
It is well-known that sports will(strength)_the friendship between nations
答
这是啥题啊.用适当形式填空?
空里应该填strengthen.
strength的动词形式,使...有strength.增强的意思.
will后边必加动词原形.此题考察的应该是单词量.