第1个回答 2014-12-12
Our classroom is very big, while theirs' is very small.
两个句子之间要用连接词
英语强调简洁，尽量避免出现相同单词，前面说了是我们的教室，后面他们的教室对应的，可以用theirs'代替。本回答被网友采纳
第2个回答 2014-12-12
Our classroom is extraordinarily large , their,however, micro.
第3个回答 2014-12-12
Our classroom is very big, their classroom is very small
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