Lin Shuhao, now _______ NBA star, used to be a student of the Harvard University.

Green economy offers a new model ________ people could both protect the climate and develop the economy, according to what Li said at the International Cooperative Conference on Green Economy and Climate Change.

We don’t care if a hunting dog smells _______, but we really don’t want him to smell _______.

The man ______ gave us a talk on science yesterday is a famous scientist.

Mr. Green ____________ to the manager now. You’d better call him later.