His father insisted on punishing him, but he insisted he had _______ to do with the matter. 

—Our government is doing _______ to protect the environment.—That’s great. 

I bought the train tickets at the station easily during the spring rush, though ________ of them ________ it.

Sarah made________to the airport just in time to catch her plane this morning.

—Which tie do you prefer, sir?     —I’ll take ____ to have a change sometimes.