Without the development of the Internet, Taobao and Tmall______$ 5.7 billion in sales on 11 November, 2013.

President Xi appeared in Zhongshan suit in Dutch, ____ displayed the leader's national pride and confidence

The waste water, when _______，should be clean enough to meet standards.

Under no circumstances _______the search far the missing plane.

The old town has narrow streets and small houses ________are built close to each other.

In recent years travel companies have succeeded in selling us the idea that the further we go, ________.

In the dark forests ________，some large enough to hold several English towns.

Only when he reached the tea­house________it was the same place he'd been in last year.

Two­fifths of the highway________so far.

One third of the country________covered with trees and the majority of the citizens________black people.