He is opposed to such a view that it is his intelligence and good luck that have ________ his success.

 The flowers don’t need too much water; you can just water them _____.

The policemen ______ the house again and again, and finally found the evidence.

If we keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.

There was no lack_______ volunteers, but money．