The children are having fun ________ on the playground.
When you leave , please turn off the lights energy.
The exam is over and the results will be on Friday afternoon.
--- Taian is a really comfortable city to live in.--- , and it’s world famous for Mount Tai.
---Why are you so worried?---I’ve lost the watch my dad bought me on my birthday.
.Nowadays .all passengers go through safety check before take a train.