Although he is more serious ( ) his studise than I am ,my grades _英语解答

Although he is more serious ( ) his studise than I am ,my grades are better than his .A with
B for c.about.D at
为什么选c,

人气：239 ℃　时间：2020-06-18 06:57:41

解答

be serious about对.严肃认真
尽管他对于学习的态度比我认真,但是我的成绩比他高.