The old man is quite weak after the accident ,so he . A. must take care of B. must be taken care C. should look after D. should be looked after 查看更多

 

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The old man is quite weak after the accident, so he _____ .    
[     ]
A. must take care of    
B. must be take care of    
C. must look after    
D. must be looked after

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