A father in the UK has a wonderful ideas to send his kids to school on time. He takes his sons to their school in a white tank(坦克)
The room was very dark, so I couldn’t see anything ______
--- Can you play tennis with us now?--- _____. I have to finish my homework first.
---I think everyone needs the sun.---Yes, it can __ light and heat itself.
While she _____ TV, someone _______ at the door.
---Can you tell me __________?---Yes. She came here on foot.