With her help, I didn't fall behind in study.
与她的帮助，我没有落后的研究。
I have fall behind in my work since last week.
从上周起，我在工作中落后了。
You shall fall behind in your exam if you keep playing.
如果你一直玩，你就会在考试中落后。
If you don't work hard, you will fall behind in studies.
如果你不努力，你的学习就跟不上。
Being addicted to computer games makes him fall behind in his class.
沉溺于电脑游戏使他在班上的成绩落后了。
They may fall far behind in their schoolwork and even develop behavior problems.
他们的功课会远远落后，甚至会引发行为上的毛病。
They fall behind by an average of over two months in their reading.
他们落后平均超过两个月的阅读量。
In what area does China still fall behind its neighbors?
中国在什么领域落后于邻国？
Now they no longer fall behind the others in meeting their quotas.
现在他们在完成定额方面不再落在别人后面了。
If you are relaxed in your study, you'll fall behind others.
如果你学习上松懈，就会落后于其他人。
We can't afford to fall behind our competitors in using the new technology.
我们再也不能在使用新技术方面落后于我们的竞争对手了。
I am afraid to fall behind with others in the exam.
我害怕在考试中落后于其他人。
I am afraid that I will fall behind others in the exam.
我害怕在考试中落后于其他人。
She didn't fall behind the others in the study of English.
在英语学习上，她没有落后于别人。
In the end, the students may fall behind or fail in their studies.
最后，学生可能学习成绩落后以至学业失败。
Some fall behind others of their classes in school work and others often cut classes.
有些人学习成绩下降，有些人则经常逃学。
Some fall behind others of their classes in school work and others often cut classes.
有些人学习成绩下降，有些人则经常逃学。
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