—Where have you _____ all day? —I came back at noon and I ____ in this room ever since.
There are many skirts in this shop. I can't choose .
The room is not bright enough. I need to a light on the ceiling.
The piano sounds .I want to leave now. Where is the exit(出口)?
Jack his pet dog every day. The dog must feel sad when he’s alone all day long.
--Don't touch my computer when I'm away, OK? --Sorry, .