The government cannot operate effectively （ ） it is free from such interference.

After （ ） the numbers in every possible combination, we finally hit on a solution.

A good teacher must know how to （ ） his ideas.

He remembered （ ） the zoo by his father when he was little.

To learn Chinese cooking, you should practice _____.

—Shall we invite Tim? —No， it’s too late to invite any more people. _____， he hates parties， you know.

A recent poll suggested that if money were not an issue, most people （ ） not to work at all.

—Where is the new camera I borrowed last week? —It is on the top shelf, out of the （ ） of our little kid.

I _____ him last night, but I was too busy.

（ ） does it take you to wash all the dishes?

Helen was much kinder to her youngest child than she was to the others,（ ） , of course, made the others jealous.

（ ） my delight, our school football team won the game easily.