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﹣They didn't know    to do with the problem ﹣They could ask their teacher for help.(  ) A.how B.w...

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to do    do    to do with    do with  
know  am know   don't know  not know  
you want to send it to people; that you try to get them to do    sent to people; what do they want to do    you want to send; which you want people to know    you want to send to people; what you are trying to get them to do  
Do ;know ;doesn't    Does ;know ;doesn't   Do ;knows ;do    Does ;know ;don't  
T1WI低信号,T2WI高信号  T1WI低信号,T2WI低信号  T1WI高信号,T2WI高信号  T1WI高信号,T2WI低信号  T1WI等信号,T2WI等信号  
T1WI低信号,T2WI高信号  T1WI低信号,T2WI低信号  T1WI高信号,T2WI高信号  T1WI高信号,T2WI低信号  T1WI等信号,T2WI等信号  
Do you know it is where that    where is it that do you know    Do you know where it is that    where do you know it is that  
know    knew    had known    have known  
so do I care           I don’t care   nor do I care          either do I care  
what to do it    how to do it    what to do    to do what  
know  am know   don't know  not know  
what to do  how to do  what to do it  how you do  
T1WI低信号,T2WI高信号  T1WI高信号,T2WI低信号  T1WI和T2WI呈等信号  T1WI和T2WI呈低信号  T1WI和T2WI呈高信号,但T2WI信号有所衰减  
how to do    how to do it    to how    what to do it  
know    knew    had known    have known  
do we know , will we be    we know , we will be    do we know , we will    we know , will we be  
do with  deal with  play with  work with  
did work  would work well  didnt work  wouldnt work  
to do what    to do how    what to do    how to do  

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