What do you think of the four classics (名著) of China—They are wonderful, but I’ve read ______ of them.

our brother found an apartment yet—No, he’s still living in a room downtown, but I ________ him look.

It was ______ that they went for a drive in the countryside

They did everything in their power to save the building dating back to the Qing Dynasty, but their efforts were _______

How can we travel around the world online— on icon， choose any city you like and you can start your tour.