Now people like to writearticles——computers not——–paper.

Could you tell me____a meeting in Guangzhou next week

The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time ____ everything returns to normal[ ]

Mr. Brown lay awake all night wondering whether to leave or stay.

Who’s the man over there Is it Mr. Black —It ______ be him. He’s much taller.