We arrived at the station too early and had to go, so we sat there and chatted witheach other.
She saw a lot of boys ________ football on the playground when she walked past (经过).
The famous movie star was born ________ July, 1998.
The Changjiang River is one of ________ in the world.
________ the party, we sang a song together.
It takes ________ half an hour ________ on my bike.