______ worried her mother a lot.
We won’t know whether it will be successful. We won’t know whether there will be good _____.
The government placed _____ on the numbers of foreign cars that could be imported.
. He ate what he could, and gave the _____ of the food to the birds.
. Mary had taken _____ to see that her guests had everything that they could possibly want.
. It isn't so much whether he works hard; the question is whether he works _____.