The story is ________ and all of us are _______ in it.

Is the woman a teacher? —Yes. She teaches ________ English.

Hei Longjiang is a pretty province __________ a river __________ through it.[ ]

please pass the key _ _ the lock. —oh! Is it a set _ _ keys?[ ]

It’s my ___________ time to go to Beijing. I never went there before.