Вставить предлоги. Урок английского языка для начинающих

1. Excuse me being late.

2. They are interested biology.

3. The necklace is made silver.

4. I like to travel summer.

5. I often go abroad business.

6. Please write your date birth, too.

7. "Can you come the country us?" "When?" " the weekend." " pleasure!"

8. "Isn't model 17 Sam's lab?" "No, it's still my lab."

9. "I can't find Ben's file. It isn't its place." "Ben's file? It's my office. Come and take it."

10.  a rainy day I like to stay at home.