I stood there wanting to ask more questions but foundthat was not the time.

Sam someknowledge of the computer just by watching others working on it.

There will be ________ factories in 100 years.—Really Where will people work then

After a long discussion，they came to an agreement on who should _______ for the economic damage.

He told me with ________ that he had no choicebut ________ the fact of his son’s death.