Tom is healthy, because he eats a lot of healthy .

_____ these experiments were successfully completedwould we think of going into humans

I was so disappointed when I failed again.-Don’t be so discouraged.You’ll be successful ________.[ ]

11. —Do you know where Bob is—He has won a holiday for two people toNew York . He ______ his mum.

The boss _____ the workers how to do it, or the accident couldn’t have happened.