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. She's got a lot friends Great Britain and France.
3. I often go abroad business.
4. I'm free five six Friday. Could you come my office half past five?
5. I know they usually have a break four half past four.
6. "Isn't model 17 Sam's lab?" "No, it's still my lab."
7. "His plane's 7 p.m." "No, it's 7 a.m."
8. Let's meet my place Saturday and have a dance.
9. Jack's got a job an office in Leeds.
10. You can leave him a message his office.