我要上四节课。
这有四个班。
I have four classes in the morning.
我上午有四节课。
I have four classes in the morning.
早上我有四节课。
We had four classes only this morning.
我们仅今天上午有四节课。
We only had four classes this morning.
我们今天上午只有四节课。
We had only four classes this morning.
我们今天上午仅四节课。
These four classes are shown in Figure 5.
这四个类如图5 所示。
They have four classes in the morning, don't they?
他们上午上(有)四节课，是吗？
I had four classes for the key students this afternoon.
今天下午，我为那些优生上了四节的课。
I have four classes in the morning and two in the afternoon.
我早上上四节课，下午上两节。
He enrolled in four classes during his first semester at TCU.
小休伊第一学期就选报了四门课。
Every day has two or four classes, so most of the time is our own.
每一天都有两节或四节的课，所以大部分的时间是我们自己的。
We have four classes in the morning and two classes in the afternoon.
在早上我们有四节课下午两节课。
You have four classes in the morning and two classes in the afternoon.
今天早上你有四节课而下午有两节课。
Can you guess why the MessagingPreferences object needs these four classes?
您能猜出MessagingPreferences对象为什么需要这四个类么？
In the morning we usually have four classes. It's a long time before lunch.
在早上我们通常有四节课，离午餐还有很长一段时间。
For example, Listing 1 shows four classes that all implement the Math interface.
例如，清单1显示了四个均实现Math接口的类。
We usually have four classes in the morning and two classes in the afternoon.
我们通常上午上四节课，下午上两节课。
For the TestExample Project, you'll be working with the source code from four classes.
对于TestExample项目，您将使用来自四个类的源代码。
We have only four classes left. Do come to the class in the last four classes. Thanks!
我们只剩下四次课了。请同学们最后的这四次课务必来上课。谢谢！
Because eof his alcohol problem, he flunked out of three out of four classes last term.
他因酗酒问题，上学期四门功课有三门不及格。
We come to school at seven. We have four classes in the morning and two in the afternoon.
我们七点到学校。我们上午有四节课，下午两节。
We usually have a morning class and four classes in the morning, four classes in the afternoon.
我们通常有一个早晨上课，早上上四节课，下午上四节课。
There are four classes of seaweeds—green, brown, red, and bluegreen—and they’re all packedwith healthful nutrients.
海藻有四种分类——绿藻，褐藻，红藻和蓝绿藻，它们都充满了健康的营养物。
According to the function and characteristic, paper cut-out is sorted into four classes:(1) Basic structure pattern.
首先针对计算机剪纸纹样的功能和特点，把纹样分为四类：（1）基本结构纹样；
According to the function and characteristic, paper cut-out is sorted into four classes:(1) Basic structure pattern.
首先针对计算机剪纸纹样的功能和特点，把纹样分为四类：（1）基本结构纹样；
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