I'm afraid we can't work out the math problem unless the teacher helps us.

如果老师不帮助我们，恐怕我们解不出这道数学题。

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Our teacher helps us a lot.

我们的老师帮助我们很多。

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Our teacher helps us solve the problem.

我们的老师常帮助我们解决问题。

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It also helps if you have a good teacher as well.

一位好老师也会给你很多帮助。

要继续努力 - SpeakingMax英语口语达人

Teacher Kathy Lubeck helps keep count.

NPR: Nutrition, Business At Odds in U.S. School Cafeterias

Basing layoffs on seniority "is a sad example of how policies aren't aligned for what's best for schoolkids, " said Tim Daly, president of the New Teacher Project, a nonprofit that helps school districts recruit and retain quality teachers.

WSJ: Newark Lays Off Newest Teachers, Even If They're the Best Teachers

One of those who took part in the programme, and is now a teacher, has spoken of how it helps young people.

BBC: Scene of Enniskillen bomb in 1987