我问医生是否他当时正在为那个病人动手术。
I asked the doctor ________________________.
你瞧不起别人是很愚蠢的。
_________________ other people.
The bird ________(展开) its wings and flew to the south.
After his ________ (一百) experiment, he got a great success.
Mr Lee devoted all his free time he had to________ (改善) the environment around him.
Mary lives on the eleventh floor, two floors _________ (在…的下面) Wilson.