-Who it be that is knocking at the door? -It be Father, but I'm not sure. [ ] A.
来源:网络
时间:
推荐文章
![-Who it be that is knocking at the door? -It be Father, but I'm not sure. [ ] A.](/pic/43_855418.jpg)
-Who ________ it be that is knocking at the door?
-It ________ be Father, but I'm not sure.
[]A.can; must
B.can; may
C.must; can
D.may; must
试题答案
答案:D