I long to alleviate ______, but I cannot.

"Did you hear of his death?"
"Yes. If he ______ in time, he ______."

We are thinking of going ______ holiday to Switzerland.

Mr. Brown had the report ______ as soon as he finished ______ it.

The mother was afraid to let the boy ______ the tree.

They ______ a tip if the service is poor.

______ he was chosen and trained as a professional swimmer.

For the first time ______, man was able to set foot on the moon.

______ coming of the Space Age, a new dimension has been added to the study of the planets.

The salary of a skilled worker is much higher ______.

Though her father never approved of ______ to drama school, she became a well-known actress.