很少的
我理解不了
It is ____ hard _____ me _______ ______ this question.
吉姆通过和同学合作完成了作业
Jim finsihed his homework ____ _____ ______ ____.
He had trouble ______(make) compete sentences.
Jim doesn’t know how ______(ride) a bike
恩 听谁的
谁能告诉我第一句为什么要这样写