If you spend more time your study,you will get good grades.选择A.on_英语解答

If you spend more time your study,you will get good grades.
选择
A.on B.of C.in D.for

人气：333 ℃　时间：2019-12-19 12:22:17

解答

A 有两个固定搭配
spend some time (in) doing sth 花时间干某事
spend some time on sth 花时间在某事上
这里直接跟 study
所以用第二种