The thing that matters is not whether you fail or not, _______whether you try or not.

Could you tell us _____ you are getting on well with your classmates

Must I finish all the homework this evening-No, you __________. Tomorrow is Saturday, and you have enough time for it.

We had a marvelous holiday: only the last two days were slightly _____ by the weather.

Bears ______ fat stores throughout the summer and fall to have energy enough to last them through winter sleep.