问题
选择题
— I can't find my cell phone in my bag.
— __ it at home. [ ]
A. Have you left
B. Did you leave
C. Had you left
D. Do you leave
答案
答案:B
— I can't find my cell phone in my bag.
— __ it at home. [ ]
A. Have you left
B. Did you leave
C. Had you left
D. Do you leave
答案:B