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

Han Han's novel was eventually ______as a work of genius.

The old man is ________ enough to contribute $ 10,000 to the disaster area damaged by the earthquake.

If you’re around people complaining others, ______ are that you will start to complain as well.

There are a large number of plants existing on earth, however, very little _______ was made of them to feed us.