How long have you _________China?—About two years.

He said he took vacation ______ Europe last summer.[ ]

Do you know if he________ to play football with us? —I think he will come if he _________ free tomorrow.

_________ model plane is this?—I think it’s Jim’s. Look, his name is on it.

The doctors said that there was ___ wrong with Jane’s legs, but they could do ___ to help her.