Gina used to be ________ and she never spoke in front of the public.

The big fire in Shanghai, believed to ________ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.[ ]

It is said that sandstorms will become more ________ as a result of global warming.

me atsix tomorrow morning, will you— Why that early I______

Marry, it seems you don’t quite understand what we are talking about— Sorry, I____ of something else just now.