The dictionary ________ me more than 100 yuan.

The book ________ be Tom’s. Look! His name is on it.

There ________ be any difficulty about passing the road test since you have practised a lot in the driving school.

In China's countryside, villagers often have the same family name, but ________ not be closely related.

Looking after very young children _____ be very annoying sometimes, but you’ll get used to it after a while.