Shennongjia is an ideal home animals to live .
While I _____________, someone ___________at the door.
They ____________ in the river when it __________ to rain.
Please knock at the door ________ you come into the room.
– Where is Jenny now?-- She _____________ in the garden.
– Daming, where are you going?-- Don’t worry, mum. I _______________ in ten minutes.