題目：--- Where is my reference book? It was here a moment ago. ---- Someone ______it by mistake
2020-02-26
A. could have taken B. must take
C. may take D. must have taken
正確答案：D
試題解析：
A. could have taken B. must take
C. may take D. must have taken
正確答案：D
試題解析：
