Some verbs in the following sentences consist of only one word. Others consist of a main verb and one or more helping verbs. For each sentence, choose the helping verb. If there is no helping verb, choose “No helping verb.”
For help with this exercise, see section 14e of Foundations First, Fifth Edition.
Pet cats face many dangers outdoors.
A. |
B. |
C. |
D. |
Thousands of them are killed by cars every year.
A. |
B. |
C. |
D. |
Outdoor cats must also deal with other animals and with infectious diseases.
A. |
B. |
C. |
D. |
In addition, cats can endanger backyard songbirds and small wildlife.
A. |
B. |
C. |
D. |
There are many good reasons to keep pet cats inside the house.
A. |
B. |
C. |
D. |
However, they may become obese and bored indoors.
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B. |
C. |
D. |
For several years, veterinarians have been recommending entertainment for indoor cats.
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B. |
C. |
D. |
Most cats enjoy the thrill of watching birds through a window or observing fish in an aquarium.
A. |
B. |
C. |
D. |
Cats can even be trained to do tricks.
A. |
B. |
C. |
D. |
A caring cat owner will make the cat happy in the house.
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B. |
C. |
D. |