The bell just rang.
铃声刚响了。

Class is starting now.
现在开始上课了。

Please open your textbooks.
请打开课本。

Turn to page twenty.
翻到第20页。

Let's begin the lesson.
我们开始上课吧。

Who wants to answer this question?
谁想回答这个问题？

Raise your hand, please.
请举手。

Don't shout out the answer.
不要喊出答案。

Work with your partner.
和你的搭档一起做。

Form a group of four.
分成四人一组。

Time for a group discussion.
现在进行小组讨论。

Share your ideas with the class.
和全班分享你的想法。

Please be quiet.
请保持安静。

No talking during the test.
考试时不要讲话。

You may begin your test now.
你现在可以开始考试了。

Pens down, time is up.
放下笔，时间到了。

Pass your papers forward.
把你的试卷往前传。

Did you finish your homework?
你完成作业了吗？

Hand in your homework.
交作业。

Check your answers.
检查你的答案。

Correct the mistakes.
改正错误。

Don't copy others' work.
不要抄袭别人的作业。

Line up in two rows.
排成两排。

Walk, don't run.
走路，不要跑。

Go back to your seat.
回到你的座位上。

Clean the blackboard.
擦黑板。

Who is on duty today?
今天谁值日？

Time for recess.
休息时间到了。

Let's go to the playground.
我们去操场吧。

Don't forget your lunchbox.
别忘了你的午餐盒。

The teacher is absent today.
今天老师请假了。

We have a substitute teacher.
我们有一位代课老师。

Let's review the last lesson.
我们复习一下上一课。

Pay attention, please.
请注意听讲。

Take notes as we go.
一边听一边记笔记。

Do you understand?
你明白了吗？

Any questions?
有问题吗？

Let's take a short quiz.
我们来做一个小测验。

Get ready for your presentation.
准备好你的演讲。

Don't be nervous.
不要紧张。

Speak louder, please.
请大声一点。

Repeat after me.
跟我重复一遍。

Spell the word, please.
请拼写这个单词。

What's the meaning of this word?
这个词是什么意思？

Look up the word in the dictionary.
在词典里查这个词。

Let's do a listening exercise.
我们来做个听力练习。

Time for physical education.
上体育课时间到了。

Put on your sportswear.
穿上你的运动服。

We're going to the gym.
我们要去体育馆。

Start with some warm-ups.
先做一些热身运动。

We’ll play basketball today.
今天我们打篮球。

Don’t push others.
不要推别人。

Follow the rules.
遵守规则。

Take turns.
轮流来。

Be a good team player.
做一个好的团队成员。

The school day is over.
今天上学结束了。

Don’t forget your things.
不要忘了你的东西。

See you tomorrow.
明天见。

Let’s tidy the classroom.
我们来整理教室吧。

Stack the chairs.
把椅子叠起来。

Sweep the floor.
扫地。

Don’t leave trash behind.
不要留下垃圾。

Close the windows before leaving.
离开前关上窗户。

The principal is visiting today.
校长今天来视察。

Show respect to your teachers.
尊重你的老师。

Wear your school uniform.
穿上校服。

Bring your student ID.
带上你的学生证。

We have a fire drill today.
今天我们有消防演习。

Line up quickly and quietly.
快速安静地排队。

Follow the evacuation route.
按照疏散路线走。

Don’t panic.
不要慌张。

Now return to your classroom.
现在回到教室。

Tomorrow is the exam.
明天考试。

Study hard tonight.
今晚好好复习。

Bring your pencils and erasers.
带好铅笔和橡皮。

Use a ruler for your drawing.
画图时用尺子。

Let’s do a science experiment.
我们来做个科学实验。

Wear your safety goggles.
戴好护目镜。

Be careful with the chemicals.
小心化学品。

We’ll go on a school trip next week.
下周我们要去校外游学。

Return your permission slip.
交回你的家长同意书。

The bus leaves at eight.
校车八点出发。

Bring a packed lunch.
带一份午餐。

Stay with your group.
跟着你的小组走。

Respect the guides.
尊重导游。

Take pictures, but don’t touch anything.
可以拍照，但不要乱碰东西。

We’ll be back by four.
我们四点前回来。

Write about the trip in your journal.
把这次旅行写进日记里。

Get ready for parent-teacher meetings.
准备家长会。

Prepare your report card.
准备好成绩单。

Be honest about your performance.
如实反映你的表现。

Set your goals for the next semester.
为下学期设定目标。

Let me know if you need help.
如果需要帮助请告诉我。