问题
选择题
---Where is my reference book? It was here a moment ago.
---Someone ______ it by mistake.
A．should have taken
B．must take
C．might take
D．must have taken
答案
答案：D
搜题请搜索小程序“爱下问搜题”
---Where is my reference book? It was here a moment ago.
---Someone ______ it by mistake.
A．should have taken
B．must take
C．might take
D．must have taken
答案：D