1. We can hardly tell you (nothing / something / anything / none is correct). 2. We have advised him (keep quiet / to keep quietly / to keep quiet / keeping quiet) many times but, you know, he is a stubborn boy. We must be alert (from / for / to / with) the possibility of danger. 3. You can congratulate yourself (in / on / for / with) having done an excellent job. 4. You may have to stay the night but took a toothbrush just in (case / time / order / preparation). 5. Your father was very kind (to / with / of / for) Ann. 6. - “That’s an extremely excellent drawing, Hoa”- ‘Really / I don’t think so, thanks / It’s nice of you to say so / OK” 7. - “Why don’t we use solar energy?”- “Let me see / Yes, OK / That’s a good idea / Sure” 8. (At / On / From / In) Easter Day, young children receive chocolate or sugar eggs – as long as they are good. 9. “Have something to drink, will you? / You like sports, don’t you? / How about playing sports? / Do you need any help?”– “Not really” 10. “Have a coffee / Well done / You’re very kind / You are very kind” – “Thanks” 11. “You are a very good speaker.” – “That’s right / Congratulations / Thanks a lot / Thanks you”