Liu Xuan is really ________,she is very good at math, physics and chemistry.

As the light turned green, I stood for a moment, not ________, and asked myself what I was going to do.

Please turn to page andlook at the picturein this unit.

When I talked about the thing，I felt Jane watching me uncomfortably，looking________ she wished to speak.

Mr. White had no money for the taxi, so hehad to ______ home.