They ____ some useful information to the police .
–Mum,must I wash the dishes right now? -No,you______.
-What will the weather be like tomorrow? -It____be rainy,cloudy or sunny.Who knows?
It is reported that people throw_____plastic bags along this street every day.
-Mr Green has_____one-year-old son,doesn’t he? -Yes,and he also has______eight-year-old daughter.
It will______us several years to learn a foreign language well.