Động từ tobe

Front

1. They ________ students.

Back

are

Front

Rex ________ a lively dog.

Back

is

Front

I________a boy.

Back

am

Front

You and your family ________ kind.

Back

are

Front

Mary and I ________ cousins.

Back

are

Front

6. We ________ 10 years old.

Back

are

Front

7. Susan ________ my good friend.

Back

is

Front

8. Mr. Green ________ a doctor.

Back

is

Front

Giraffes ________ very tall.

Back

are

Front

10. Look! Ha (run)__________________.

Back

is running