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一、例题和解析
1. The storm left,________a lot of damage to this area.
A. caused
B. to have caused
C. to cause
D. having caused
2.________in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A. To wait
B. Have waited
C. Having waited
D. To have waited
“注：本文中所涉及到的图表、注解、公式等内容请以PDF格式阅读原文”
1. The storm left,________a lot of damage to this area.
A. caused
B. to have caused
C. to cause
D. having caused
2.________in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
A. To wait
B. Have waited
C. Having waited
D. To have waited
“注：本文中所涉及到的图表、注解、公式等内容请以PDF格式阅读原文”