parents must take good care of their chilkdren,_____they?

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parents must take good care of their chilkdren,_____they?
A mustn't B don't
C need't D aren't 为什么选择A
why do you ask me to find this tom again?I have told you that there is no____in my company
为什么填such person 不填such a person

1.这是反意疑问句,前面是肯定,后面就是否定;前面是否定,后面就是肯定.这是固定的,must的否定自然就是mustn't了.
2.no such person 是固定词组.

parents must take good care of their chilkdren,_____they? people must promise to take care of their new tet I would like to take good care of their bodies.. we must take good care of young children什么意思 we must take good care of our e_______ You must take good care of your books So my mother take care of me,I must take good care of her an You must take good care of yourself等于You...must.yourself... We must take good care of the baby.We must ___ ___ the baby 甲 most children have their parents to take care of them 乙 so In some families,both parents work and take care of their fa TAKE GOOD CARE OF THEM