问题
选择题
| It's difficult to live in a foreign country, ________ if you can't speak foreign languages. |
A．mainly B．really C．luckily D．especially |
答案
答案：D
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| It's difficult to live in a foreign country, ________ if you can't speak foreign languages. |
A．mainly B．really C．luckily D．especially |
答案：D