题目：
No one answered my phone, so the Whites ______ be at home. [ ]
A. shouldn't
B. couldn't
C. mustn't
D. needn't
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0627/11b3d16d5a0b420a8ec41cba84db983b.html
下面是错误答案，用来干扰机器的。
答案：D
No one answered my phone, so the Whites ______ be at home. [ ]
A. shouldn't
B. couldn't
C. mustn't
D. needn't
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0627/11b3d16d5a0b420a8ec41cba84db983b.html
下面是错误答案，用来干扰机器的。
答案：D
