Combining the two sentences by using coordination:
He himself is interested in the subject. All his students are beginning to show an interest in it. 

Rewrite the following sentences as required.

Using coordination:
Seize the chance. You'll regret it.

Rewrite the following sentences as required

Using coordination：

I caught the Eurostar train from London to Paris for the weekend. Then I flew back from Paris to London with British Airways.

Rewrite the following sentences as required.

Using coordination:
There are many modern communication methods available today. The traditional business letters remain an important means of sending printed messages. 

Rewrite the following sentences as required.

Using coordination:
New Hampshire does not have a general sales tax. It does not have an income tax either. It is the only state that does not have either tax. 

Rewrite the following sentences as required.

Using coordination：
Short periods of fasting could help people lose weight. Short periods of fasting could lead to better health.

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​Combining the two sentences by using coordination:

The workers are cheerful. At least they appeared to be cheerful.

Rewrite the following sentences as required 

​Using subordination: 

The International Club meets only once every semester for this special event. The first thing on our agenda is to have the secretary read the minutes of the last meeting.

Fill in the blank with an appropriate coordinator or subordinator:
He lay there ___________ he was dead.

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Using subordination:
He smokes heavily and is now suffering from lung cancer.

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Using subordination：

I don't like the idea. The idea is that we go for an outing on a rainy day.

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Using subordination:
He had to accept the fact. He failed to pass the driving test for the third time.

Correct one error in each of the following sentences.

​The day was very warm and humid, for that I turned on the air conditioner.

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Using subordination:
He lay there. It seems that he was shot dead. 

Define the following terms with examples.

subordination

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Using subordination：

We have no information about this company. We still want to cooperate with it, for we have no other choices.

Fill in the blank with an item as required.
With an appropriate coordinator or subordinator:
University graduates are encouraged to go ​           they are most needed.

People who hold higher position in a given group often overestimate their performance,  people in the lowest levels of the group underestimate .

Rewrite the following sentences as required.

Using subordination:
The student stood up and spoke clearly. Everyone in the classroom could see and hear him. 

Rewrite the following sentences as required.

Using subordination:
Carlos decided to renew the lease on his New York apartment. He was growing tired of city life.