Although his experiments were designed to support the ideas the influence of environment upon plants, Mendel found that many characteristics were passed on from one generation to the next.
The radio doesn’t work well; it needs_________.
Travelling from England to Scotland you _______.
The great use of the school education is not so much to teach you things _____ to teach the art of learning.
Jasper is a great painter. He is _____ Picasso.
– Will it rain tomorrow? -- No. I don’t doubt ________.