I'm going to do the roll call now.

下面開始點名。

Did the teacher do the roll call yet?

老師點過名了嗎？

I'm taking attendance.

我正在點名。

Say 'here' when I call your name.

我點到大家名字的時候請答“到”。

Raise your hand when I call your name.

我點到大家名字的時候請舉手。

Why are you late?

你為什么遲到？

Don't be late./Don't come to class late.

不要再遲到了/上課不要再遲到了

Try to be in class on time.

盡量按時來上課。

You've been absent for three days straight. Where have you been?

你已經連續三天曠課了，你到底去哪兒了？

Let's get started./Let's get going.

我們開始吧/讓我們開始

Let's start with a little review from last time.

首先讓我們復習一下上次學習的內容。

Who knows the answer to the first question?

誰知道第一個問題的答案？

Who wants to go first?

誰想第一個來？

We'll finish this section today and start the next one tomorrow.

今天我們將學完這一部分，明天開始學習下一部分。

I need you to get into groups of three or four.

我需要大家分成三到四人的小組。

You can work on the assignment alone or with a partner.

你可以自己完成這個任務，也可以找一個搭檔一起完成。

We'll have a review day at the end of the week.

本周末我們將進行復習。

Dialogue:

A: I checked class started at eleven. Why are you late?

據我所知，我們是11點開始上課，你為什么遲到？

B: I'm sorry, Mr Smith. I couldn't find my history book.

對不起，史密斯老師。我找不到我的歷史書了。