题目内容
___ is everyone’s duty___ the law.
| A.That; do obey | B.It; to obey | C.That; obeying | D.It; obeying |
B
it 是形式主语, 真正的主语是to obey the law.
练习册系列答案
相关题目
题目内容
| A.That; do obey | B.It; to obey | C.That; obeying | D.It; obeying |