Davidcan'tgototakepartinthesportsmeeting,becausehe'll________takecareofhismotherwhoisill.[

题目简介

Davidcan'tgototakepartinthesportsmeeting,becausehe'll________takecareofhismotherwhoisill.[

题目详情

David can't go to take part in the sports meeting, because he'll ________ take care of his mother 
who is ill.        
[     ]
A. must        
B. has to       
C. have to        
D. needs to
题型:单选题难度:中档来源:同步题

答案

C

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