---Students should devote most of their time to studying rather than playing computer games.                                                       ---________.No pains, no gains.

There is no doubt that I'm trying to do what is best, but ________ I have got to consider the cost.

These problems are different from each other, so they should be dealt with         .

The committee is discussing the problem right now. It will ______ have been solved by the end of next week.

Excited by the news, Marin lay in bed with her eyes ______ open while all her family were ______ asleep.