Silk from China found its way to India, the Middle East and Rome, _______ spices and glass, which was not known to China

In those days, our ______ concern was to provide people who were stopped by the snow storm with food and health care.

When she had finished her meal, she gave a _smile

hanging lanes, a driver should use his turningsignal to let other drivers know

I can’t decide __________or not I should encourage my son to be a volunteer.— Why not It will make him more helpful.