Question

【题目】— How was your vacation?— It was terrible. I had to stay at home and _________ for the tests.
A.study
B.studied
C.studies
D.am studying

Answer 1

【答案】A
【解析】句意：你的假期过得怎么样？—很糟糕。我必须呆在家里为考试而学习。have to必须，后跟动词原形。and之后省略了不定式to，所以答案是：A。