“What time does the plane _________?”“I think at about 10 o’clock.” 

The water in the river nearby will be dirtier than before if nothing __________.

What bad weather! The plane will _______ at 8:00 o’clock this evening.

--- Did you __________ much time watching Li Na’s match last night? --- Yes. It __________ me a few hours to watch this match.

“No Photos” means “You can’t ______ here.”