acts, scientists have thatmore energy is being absorbed from the sun, throwing the earth’s energy “out ofbalance”

world’s largest retailer, Wal-Mart,has opened its _____ third store in Beijing, which means the firm now has 52stores in China.

They will build nature reserves _____ protect ______birds.

How I regret _______ when my father told me not to play computer games!— You’d better say sorry to him.

What does the notice on the wall say — “No person _____ take books out of thereading room; otherwise he _____ be fined.”