Правило: предлоги.
В каждом предложении напишите подходящие по смыслу предлоги. Например: He doesn't work ___ Sundays. – He doesn't work on Sundays.
1. They are interested biology.
2. The necklace is made silver.
3. I often go abroad business.
4. This is a very important letter London. Have a look it.
5. "Does he often go abroad business?" "I don't think so."
6. My mail isn't my table yet. It's late.
7. Don't leave my mail his lab. Leave it my table.
8. A nice place, isn't it! Let me take a photo it.
9. "Is Jane still college?" "Yes, she's a technical college London."
10. You can leave him a message his office.