A-A+
What may happen to you if you ______ in your
问题详情
What may happen to you, if you ______ in your school work？
A．fall down
B．fall apart
C．fall off
D．fall behind
参考答案
正确答案：D
解析：fall down倒下，跪拜；fall apart崩溃，土崩瓦解；fall off下降，跌落，减少；fall behind落在……的后面，拖欠。
