All work and no play makes Jack a dull boy, which suggests that work and play do not _________ but promote each other.
So sudden ________ that the enemy had no time to escape.
Occasions are quite rare ____ I have the time to spend a day with my kids.
_____ was most important to her, she told me, was her family.
He didn’t make ______clear when and where the meeting would be held?
-Is Jack on duty today? -It ____ be him. It’s his turn tomorrow.