问题
选择题
Don't forget to call me if I _____.[ ]
A. fall asleep
B. fell asleep
C. will fall asleep
D. is falling asleep
答案
答案：A
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Don't forget to call me if I _____.[ ]
A. fall asleep
B. fell asleep
C. will fall asleep
D. is falling asleep
答案：A