—Could I use your bike? Mine is broken.—Certainly.But please______it back soon.I need it this afternoon.
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.