He ___________ unwisely, but he was at least trying to do something helpful.

We feel ______our duty to make our country stronger and stronger.

Readers are required to _________ the rules of thelibrary and mind their manners.

A： What did our class teacher say a moment agoB： Sorry, I didn’t catch it. I something else.

Tom likes playing ________ football, but his sister likes playing ________ piano.