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. He smiled me.
3. "Let's take a break eleven." "Right."
4. "Could I speak Mr Davies, please?" "I'm sorry, Mr Davies is still a visit France."
5. I'm free five six Friday. Could you come my office half past five?
6. Sometimes it's difficult me to get up early enough to be time my morning class.
7. "Does he often go abroad business?" "I don't think so."
8. Don't leave my mail his lab. Leave it my table.
9. "His plane's 7 p.m." "No, it's 7 a.m."
10. You can leave him a message his office.