this dictionary is very useful,it has______many problems about idiom for mea.look up b.kept up c.taken up d.cleared up选什么,为什么

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this dictionary is very useful,it has______many problems about idiom for mea.look up b.kept up c.taken up d.cleared up选什么,为什么
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this dictionary is very useful,it has______many problems about idiom for mea.look up b.kept up c.taken up d.cleared up选什么,为什么
this dictionary is very useful,it has______many problems about idiom for me
a.look up b.kept up c.taken up d.cleared up
选什么,为什么

this dictionary is very useful,it has______many problems about idiom for mea.look up b.kept up c.taken up d.cleared up选什么,为什么
d吧
clear up有澄清的意思,表示解决问题．
但如果用look up的话则必须以人作主语才行．

D
clear up 澄清，解释

d
this dictionary is very useful,it has cleared up many problems about idiom for me.
clear up:整理, 消除, 放晴
这本字典很有用，它为我消除了很多成语方面的疑问。

d 使整洁，使清晰

this is a dictionary( )you This is his dictionary同义 This is his dictionary(一般疑问句) this dictionary is in that box复数 Is this your dictionary?改为肯定句 This is his dictionary(改为一般疑问句) This is my dictionary.改为疑问句 This is a dictionary (作否定回答 Is,this,your,dictionary?(改陈述) Is this your dictionary肯定回答 This is my dictionary做否定形式 This dictionary is w______ five yuan. Is this her dictionary?(作肯定回答) This dictionary helps us a lot的同义词This dictionary is very＿to us This is a dictionary.(划线提问)用四个单词画线部分是a dictionary This is a dictionary.(对划线部分提问.注：划线部分为a dictionary) this dictionary than thin one that is连词成句? Is this his English-Chinese dictionary.改为肯定式陈述句