问题
选择题
| Although the Eiffel Tower _____ to last for 20 years, it is still standing today. |
A. has designed B. had designed C. is designed D. was designed |
答案
答案：D
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| Although the Eiffel Tower _____ to last for 20 years, it is still standing today. |
A. has designed B. had designed C. is designed D. was designed |
答案：D