My brother has some trouble __math.A.doing B.do C.did D.done

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/01 10:56:31
My brother has some trouble __math.A.doing B.do C.did D.done
x)TH*/H-RH,V(MU()/MIUM,sKKWp z)) .@f^MR>eP 6yvPlG=e3 kJ2@g3?Y&}~OOfOv/}>ԥlߟu

My brother has some trouble __math.A.doing B.do C.did D.done
My brother has some trouble __math.A.doing B.do C.did D.done

My brother has some trouble __math.A.doing B.do C.did D.done
A

A doing . have trouble in doing something 是固定搭配,in可以省略。