题目内容
句型转换:按要求改写下面句子。
This problem is very difficult. We can't work it out. (合并为一句)
This problem is ________ difficult for us ________ work out.
答案:too,to
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题目内容
句型转换:按要求改写下面句子。
This problem is very difficult. We can't work it out. (合并为一句)
This problem is ________ difficult for us ________ work out.