1) If I ...... you, I would tell him straightaway a) were b) am 2) If you ...... yellow and blue, you get green a) will mix b) mix 3) If I .........., I would never have done it a) knew b) had known 4) Unless you ...... things easy, you'll get ill a) take b) don't take 5) ........, I'd have come immediately a) Were I to know b) Had I known 6) If I ...... you, I would never have done that a) had been b) were 7) Provided you ........ there half an hour before it starts, you'll get straight in a) will get b) get 8) Unless you ....... drinking, you'll have serious health problems a) will stop b) stop 9) If you see him, ......... him to call me? a) will you ask b) would you have asked 10) ........ her help, I'd have been in real trouble a) But for b) If only 11) ........, what would you ask her? a) Had you seen her b) ...