Відповіді: Стр.46 (B)

B. Choose a, b or c.

1–a; 2–c; 3–b; 4–c; 5–b; 6–b; 7–b.

1. My mother has worked as a doctor a. since 2010.

2. We haven't seen our grandparents c. for days.

3. They have b. never been to a stable before.

4. Have you c. ever seen wild animals?

5. Our team has won all the matches b. so far.

6. A: b. How long have you known Mark?

B: For two years.

7. Maggie is not here. She b. has gone to the supermarket.