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Since the time humankind started gardening, we______to make our environment more beautiful.
Since the time humankind started gardening, we______to make our environment more beautiful.
admin
2017-03-21
61
问题
Since the time humankind started gardening, we______to make our environment more beautiful.
选项
A、try
B、have been trying
C、are trying
D、will try
答案
B
解析
考查动词时态。根据时间状语“Since the time humankind…”可知“我们努力让环境更美”的行为从过去一直持续到现在,用现在完成进行时。
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本试题收录于:
英语题库普高专升本分类
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英语
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