单选题 Four and ______ half hours of discussion took us up to midnight, with ______ break for cheese, chocolate and tea with sugar.

单选题 Although young, Linda could resist ______ what to do and what not to do.

单选题 There ______ a notebook, two rulers, and three erasers in the room.

单选题 Doing exercise ______ of great help to health.

单选题 The performance was so ______ that we were ______ to death.

单选题 My friend and classmate Paul ______ books in his spare time.

单选题 He is talking so much about Africa as if he ______ there.

单选题 We all know the fact ______ the Earth goes around the Sun.

单选题 No matter how frequently ______, the works of this famous pianist always attract a lot of young people.