题目：--- 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
正确答案：D
试题解析：
A. could have taken B. must take
C. may take D. must have taken
正确答案：D
试题解析：
