Thanks to Dr Yuan’s research, the UN has more tools in the battle to rid the world _____ hunger

I called Hannah three times yesterday evening, but I couldn’t get through, her brother _______on the phone all the time

In my opinion , the thief is likely to come , please look _____ for him

It’s a secret between us. Don’t tell anybody. —Sure, ______________.

He likes computer games very much. He plays_____very late in the night.