My mother goes shopping,______I must look after my little br

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My mother goes shopping,______I must look after my little brother.
A.so B.because C.and D.but

答案A 试题分析：because 是从属连词,接表示直接原因的从句,一般放在主句的后面,也可放在主句前面,它表示的语气最强,在回答why的问句时,必须用because.as 是从属连词,说明一般的因果关系,语气比because弱,说明比较明显的原因,它引导的从句通常放在句首,有时也可放在句末.And是和的意思,表示并列或顺承；but表示转折,根据语境可知选择A.考点：此题考查because和so在表示原因时的区别.点评：because只能放在句子中间,在它之前的是结果,后面的是原因.so做所以解释时也是放在句子中间,在它之前的是原因,后面的是结果.查看原帖

My mother goes shopping,______I must look after my little br My mother goes shopping.改一般将来时 My mother often (goes shopping ) on weekends. yesterday I goes shopping with my mother My mother goes shopping on Sundays.(对My mother 提问) My mother was not at home.I must look after my brother.同意句 My mother often goes( )after dinner. My mother go shopping once a week还是My mother goes shopping o 改同义句My mother is ill.l must look after her at home. My mother was ill in __hospital,so I must go to look after h my mother ofent goes shopping on sundays.(用yesterday改写 My mother goes shopping in three a month