Half a month later, he found his lost motorcycle         in the woods off the highway.

Mr. Smith, who often helped passers-by repair their bikes, said that what he did was not paid but _______.

What are you doing out of bed ? You’re _______ to be asleep.

 In ____, he began to learn Russian, when he was in ______. 

Mary has been looking forward in the past 10 years to______the Great Wall.