Though they are______little children , they have worked out _______many difficult math problems.

Here on the bag it ______ that they were invented by a chef called George Crum.

It’s said that there are plenty of hotels in that town. There ____________ be any difficulty for you to find somewhere to stay.

Each of the students, hoping to pass the exam, _____the book.

Could you please _____ the radio a bit ? It’s too loud.