5. Bob turned off the alarm clock so as to sleep late in the morning.

           late in the morning，Bob turned off the alarm clock.

4. I’ll write down his telephone number so as not to forget it.

I，ll write down his telephone number            forget it.

3. It was such a cold day that there was nobody on the street.

It was            there was no body on the street.

2. The boy was so frightened that he didn’t know what to do.

           he didn’t know what to do.

1. I was so ill today that I didn’t go to school.

I was ill today            I didn’t go to school.

5.天气这么好，人人都感到高兴。

It is            everybody feels happy.

4.温度升高了气体的体积就增大了。

The temperature is increased            the volume of gas becomes greater.

3.他拼命工作，结果病了。

He worked            he got ill.

2.为了节约课堂时间，我们的老师要求我们在课堂上做一半练习，剩下的一半在课后作为家庭作业完成。

           ，our teacher has us do half of the exercises in class and complete the other half as our homework after class.

1.许多农民给庄稼施肥，为的是使庄稼长得更快些。

Many farmers fertilize their crops           them grow more quickly.