Grandpa has changed a lot.- So he has. He spends more time than he used to ______ gameswith the children.

Are these gloves ________, Betty?—No, they aren’t. My gloves are here.

Ann used to here. But now she is used to in Beijing.

We carefully compared the result of the first experiment with_______ of the second one.

I like the music _____ I can dance to. [ ]