What the doctors really doubt is _____my mother will recover from the serious disease soon.
The achievements we have made are largely ___ the hard work of our parents and teachers.
— It is said that the cycling race around the Qinghai Lake was very hard. — So it was. Only a handful of cyclists made _______.
The workers wouldn’t run the _______ in letting an unreliable person take charge of the factory.
You will find the map of great ____ especially when you get lost in a strange place.
Your smile is one of the strongest tools that make ______ possible for you to meet new people.