题目内容
Paul started hiking in 2010 and he has hiked across 11 countries __________.
| A.ever since | B.from then on | C.right away | D.at once |
A
解析
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题目内容
Paul started hiking in 2010 and he has hiked across 11 countries __________.
| A.ever since | B.from then on | C.right away | D.at once |
A
解析