_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.

 Much to my surprise, she _________ tears __________ she read the letter.

Use your head, ________ you’ll work out the problem.

Jerry did not regret giving the comment but felt ______ he could have expressed it differently.

Personally I prefer to stay up ______at night, but not ______I’ll have to drive to work the next day.