The boys in the dorm____a coin to decide who would clean the floor.（2012-77)A．heldB．tossed

The plane succeeded in carrying the boy on board with ______ in the air.A．one wheelB．two w

The boy was ______ to speak louder in the class when answering the teachers questions.A．a

In the event of tie, the winner will be decided by the ______ of the coin.A．tossB．flingC．h

Joan is in the dorm, putting the final_____to her speech.（2010-74)A．detailsB．remarksC．comm

The boys in the family are old enough for_____.（2014)A．schoolsB．schoolC．the schoolD．the sc

The boys in the family are old enough for ______.A．schoolsB．schoolC．the schoolD．the school