____,he often helps me with my studyA however he is busyB however busy is heC no matter he is busy D no matter how busy he is 为什么答案是D?ABC哪错了?no matter how不就等于however么?

he often helps others同意句 he ___ ____. He often helps study much.同义句 He often ____ me ____ much. He often helps his sister learn English(同义句） He ofHe often helps his sister learn English(同义句）He often helps his sister ____ _____ he often helps others是什么意思 1.He often helps us ____ our English. A. for B. with C. at D. in My uncle swims well.He often helps me ____ my _____.填词、、 He often helps his mother do the housework.He ofen _____ his mother ____ the housework.同义句转换 He often helps people on his work He often helps others的被动语态 He often helps me__(do)some housework He　often　helps　us　变一般疑问句 He often helps his mother ____ housework over the weekend.A.do B.does C.did D.doing He often helps me to learn English同义句转换He often helps me ()()() He often helps me with my English.同义句,He often helps me_____ ______English. he often helps me with my chinese对OFTEN 提问 英语翻译He often ____ ____ ____ ____. He often helps others .He is very h_____. He ofthen helps her mom do the housework.（同义句）He often helps her mom do the housework.（同义句） He often____ her mom ____ the housework.