谁用过You can speak fluent English in 45 days.说是哈佛最新研究成果.怎么样?谁用过You can speak fluent English in 45 days.这个网络课程说是哈佛最新研究成果.

谁用过You can speak fluent English in 45 days.说是哈佛最新研究成果.怎么样?谁用过You can speak fluent English in 45 days.这个网络课程说是哈佛最新研究成果. Can you speak it in English为什么用speak can you speak chinese中为什么用speak can you understand (speak) English ? speak 用什么形式? can you understand (speak) English speak 用什么形式? Can you speak chinese?用中文翻译是什么? Can you speak （)English. Can you speak Chinese? Can you speak Chinese? Can you speak chinese? Can you speak ______Chinese. Can you speak English 英译汉：can you speak chinese? How many( )can you speak? I can speak English ()you Sorry.Can you speak english? can you speak english.是什么意思? Can you speak _____(loud)?