Using the Correct Verb Form for Regular Verbs in the Past Tense

1. The dogs that we know today as house pets once (to specialize) in certain tasks that made them invaluable to humans.
   1. specializes
   2. specialized
   3. specializing

1. Question 1.198

   Rhodesian Ridgebacks, a playful and sociable canine breed, once (to hunt) lions alongside their masters on the plains of Africa and were called African Lion Hounds.

   A.

   a. hunted

   B.

   b. hunts

   C.

   c. hunting

2. Question 1.199

   For example, Saint Bernards (to rescue) avalanche victims in the Alps.

   A.

   a. rescuing

   B.

   b. rescues

   C.

   c. rescued

3. Question 1.200

   Similarly, Alaskan malamutes (to pull) sleds in freezing weather.

   A.

   a. pulls

   B.

   b. pulled

   C.

   c. pulling

4. Question 1.201

   Doberman pinschers’ strength, speed, and courage (to result) in their use as police dogs.

   A.

   a. resulted

   B.

   b. resulting

   C.

   c. results

5. Question 1.202

   Irish wolfhounds, also strong and fast, (to use) their powerful jaws to hold wolves by the neck and shake them until they died.

   A.

   a. using

   B.

   b. used

   C.

   c. uses

6. Question 1.203

   Even breeds such as the terriers and spaniels (to help) humans.

   A.

   a. helped

   B.

   b. helps

   C.

   c. helping

7. Question 1.204

   The Scottish terrier (to chase) rats and badgers away from people’s homes.

   A.

   a. chasing

   B.

   b. chases

   C.

   c. chased

8. Question 1.205

   Little cocker spaniels (to scare) birds out of bushes and trees so that they could be hunted.

   A.

   a. scares

   B.

   b. scared

   C.

   c. scaring

9. Question 1.206

   The ever-popular Labrador retriever not only (to retrieve) hunted animals on land but could also swim in icy waters.

   A.

   a. retrieved

   B.

   b. retrieves

   C.

   c. retrieving

10. Question 1.207

    Their tireless assistance and love for their masters (to earn) dogs the well-known title of “man’s best friend.”

    A.

    a. earns

    B.

    b. earning

    C.

    c. earned