Has it been warned that all the children in this area stay at their homes until the Flu has been controlled ?
A. can
B. will
C. may
D. shall
网友回答
A. can
B. will
C. may
(答案→)D. shall
解析:此题考查情态动词一些特殊用法。第二第三人称在表达许诺、警告、命令、意图、决心等时,需用情态动词shall,其含义为“必须”、“应该”。本句意为“在流感得到控制以前,告诫这个地区所有的孩子必须待在家里吗?”。选D