The young man made a ______ to his parents that he would try to earn his own living after graduation.

Mr. Smith was so angry at all ______ Bill was doing ______ he left.

To their great relief, the missing child returned home, ______, after an absence of two weeks.

I’d appreciate ____ if you would like to teach me how to use the computer.

I found ______ possible to answer all the questions within the given time.