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Practice（open）

1.Wondering what his son was going to do.

Mr．Smith had been wondering what his son was going to do．

2.Some errors in writing are serious. For example, fragments and run-on

sentences.Some errors in writing are serious，for example， fragments and run—on sentences．3.Having driven across the desert. We enjoy the cool

weather.Having driven across the desert， we enjoyed the cool weather．

4.He enjoyed flowers and shrubs. Which help screen his yard from the

street.He enjoys flowers and shrubs，which help screen his yard from the street．

5.Since there is a lack of interest. There is a great lack of information.Since there is a lack of interest，

there is a great lack of information.

6.You should make a determined effort to avoid sentence fragments. Because they are considered

serious mistakes in

writing.You should make a determined effort to avoid sentence fragments because they are consider ed serious mistakes in writing．

7.I look forward to holidays. For example, Thanksgiving and Christmas.I look forward to holidays，

for example，Thanksgiving and Christmas

8.I am interested only in the properties of citrus fruits. Such as lemons, oranges, and grapefruit.

I am interested only in the properties of citrus fruit. Examples are lemons，oranges，and grapefruit．

9.Having no money and being lonely in the big city.

Having no money and being lonely in the big city，the women committed suicide．

10.It was difficult to decide, which choice to make. To return to school or to accept the job.

It was difficult to decide whether to return to school or to accept the job．

11.The girls scored higher in math the boys scored higher in verbal skills.

The girls scored higher in math．The boys scored higher in verbal skills．

12.Gestures are a means of communication for everyone they are essential for the hearing-impaired. Gestures are a means of communication for everyone．They are essential for the hearing-impaired．

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13.Education is an elusive word, it often means different things to different people.

Education is an elusive word．It often means different things to different people．

14.Hikers would especially enjoy a vacation at Yellowstone National Park, the park consists of two

million acres of backcountry.

Hikers would especially enjoy a vacation at Yellowstone National Park．The park consists of two millio n acres of backcountry

15.He sold the old car to the man with leather seats.

He sold the old car with leather seats to the man．

16.That cat belongs to my neighbor with five kittens.

That cat with five kittens belongs to my neighbor．

17.Students who practice writing often will benefit.

Students who often practice writing will benefit．

18.He only suggested three rules for us to follow.

He suggested only three rules for US to follow．

19.Reading, the doorbell rang.

20.By installing a birdbath, the birds were given a source of water.

By installing a birdbath，we gave the birds a source of water．

21.To ski properly, a course of instruction is necessary.

To ski properly，a beginner should take a course of instruction

22.When only a small boy, my father took me with him to Chicago.

When I was only a small boy，my father took me with him to Chicago．

23.At the age of six my uncle bought my first pet, a goldfish.

At the age of six, I received my first pet, a goldfish from my uncle．

24.While leaving the house, the phone rang.

While leaving the house, I heard the phone ring·

http://ing this drug, many undesirable side effects are experienced.

Using this drug，patients experience many undesirable side effects