She___look after her sister because her mother isn't at homeA.have to B.has to C.must D.must to

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She___look after her sister because her mother isn't at homeA.have to B.has to C.must D.must to

She___look after her sister because her mother isn't at homeA.have to B.has to C.must D.must to
She___look after her sister because her mother isn't at home
A.have to B.has to C.must D.must to

She___look after her sister because her mother isn't at homeA.have to B.has to C.must D.must to
must表示你建议某人要做某事,带有较强烈的主观色彩,只是你自己的想法,没有什么根据的.have/has to表示的必须是因为事情有这个必要所以一定要做,它带有较多的客观色彩,表明你这样认为是有一定的客观依据的.这里because引导的原因状语从句就是一个客观依据,又因she用第三人称单数,选B.

B

C.must

C

B has to 表示不得不~~

选第二个，
have to 的意思是不得不,这句话后面有说她的妈妈不在家,所以她不得不照顾她的妹妹.又因为,She要用第三人称单数,所以用has to.

B 因为 must 表示必须做的, 口气比较严厉. have to 就比较委婉了
又因为主句是三单形式 所以要用has to 不得不 的意思

B

She___look after her sister because her mother isn't at homeA.have to B.has to C.must D.must to her lessons after please look after her 为什么用her She looks after her kids. after wash her face对不对 she_____{must}do her homework first after She must____(look)after her mother. My aunt___(look) after her baby carefully. call her after lunch的意思 calls her after lunch的中文是什么? Amy often studies () her friends after school She was very______(虚弱)after her illness 英语翻译：In her gentle nature,Mary takes after her mother. he calls her after lunch 对calls her提问 Mum lets her look after her sister.改为同义句 listen( )her and sing after her填介词 强调句she became upset after her son left hershe became upset after her son left her 变为强调句强调状语after her son left her 英文翻译 the deluge after sb.Her only goal is high;life seems the deluge after her.