He is the first person you can think of to rely on, for he is always willing to ________ whoever is in trouble.
Mary, __________ here — everybody else, stay where you are.
__________ and happy, Tony stood up and accepted the prize.
Isn’t it time you got down to __________ the papers?
It remains __________ whether Jim’ll be fit enough to play in the finals.
__________ with so much trouble, we failed to complete the task on time.