A clean environment can help the city bid for the Olympics, which in return will _____its economic development.
—I seldom watch TV, but listen to the radio a lot.—_______.
Only _______ to borrow magazines from the reading-room.
Those who know _______ it was that wrote A Tale of Two Cities, raise your hands.
It was in the very house was built with stones _______ he spent his childhood.
_______, I will not buy it.