Choose the right ending for each sentence.

1.  If Alexander Fleming had not noticed the mould in his dishes,

• he would have never discovered penicillin
• he never discovered penicillin
• he will never discovered penicillin

2.  If you freeze water,

• it will become ice
• it ice becomes
• it becomes ice

3.  If they hadn’t left in such a hurry,

• they would have remembered to turn off the oven
• they will have remembered to turn off the oven
• they have remembered to turn off the oven

4.  The winters are very cold in Russia.

• I wish I would living in Africa
• I wish I lived in Africa
• I wish I live in Africa