[单项选择]We （） the Great Wall twice.
A. have gone to
B. have been to
C. are going

[填空题]We want to visit the Great Wall very much.

[单项选择]We won’t go to the Great Wall ______.
A. if it rains
B. when it will rain
C. for it is raining

[单项选择]We won’t go to the Great Wall if ______.
A. it rains
B. it will rain
C. it is raining

[单项选择]

The Great Wall of China
Walls and wall building have played a very important role in Chinese culture. These people, from the dim mists of prehistory have been wail-conscious; from the Neolithic period when ramparts of pounded earth were used to the Communist Revolution, walls were an essential part of any village. Not only towns and villages; the houses and the temples within them were somehow walled, and the houses also had no windows overlooking the street, thus giving the feeling of wandering around a huge maze. The name for "city" in Chinese (cheng) means wall, and over these walled cities, villages, houses and temples presides the god of walls and mounts, whose duties were, and still are, to protect and be responsible for the welfare of the inhabitants. Thus a great and extremely laborious task such as constructing a wall, which was supposed to-run throughout the country, must not have seemed such an absurdity.
However, it is indeed a common
A. because they were walled
B. because the houses has no external windows
C. because the name for cities means "wall"
D. because walls have always been important there

[单项选择]We won’t go to the Great Wall if it ______ tomorrow.
[A] rains [B] rain [C] will rain

[单项选择]The Great Wall is a great tourist（）, drawing millions of visitors from all parts of the world every year.
A. attention
B. appointment
C. attraction
D. interest

[单项选择]When did the man go to the Great Wall
A. Last spring.
B. Last autumn.
C. Last winter.

[单项选择]When did the woman go to the Great Wall
A. She went there last spring.
B. She went there last autumn.
C. She went there last winter.