请回答下面几道英语题目,
问题描述：
请回答下面几道英语题目,
my mother often 《》｛worry｝about my study.
we have 《》｛much｝time than we thought
we can only get good grades by 《》｛study｝ hard
答
my mother often 《worries》｛worry｝about my study.
we have 《more》｛much｝time than we thought
we can only get good grades by 《studying》｛study｝ hard