Is it the first time you _______ Beijing?—-No. But the first time I ______ here, the city wasn’t so beautiful.

You play the piano so well. ______ do you have the piano lessons? — Once a week. [ ]

Do you know _________ the meeting?—Tomorrow morning.

Excuse me, is there ______ bank near here? —Yes, go ahead. You can see one over there.

Hey, you haven’t been acting like yourself . Everything OK ?——。