Question

【题目】— Can he go to the baseball game?
— No, he can't. He has to (study) for a test.

Answer 1

【答案】study
【解析】句意：——他可以参加棒球赛吗？——不，他不能，他必须为考试而学习。have to +动词原形，不得不做某事。故填study。