英语-请问这两句话有区别吗?i have specialized in teaching math for five years.i have been specialized in teaching math for five years.

英语-请问这两句话有区别吗?i have specialized in teaching math for five years.i have been specialized in teaching math for five years. 英语-请问这两句话表达的意思有啥区别吗?How long have you worked there?How long have you working there? 英语句子与语法请问I found something这句话对吗?如果正确,那这句话和i have found something有什么区别呢? 英语好的进 haven't 与 have no有什么区别底下两句话有什么区别I have no a car.I haven't a car. 请问英语May I have oneMay I have one和Can I have one有区别吗谢谢 1.i have learned english.2.i have been learning english.这两句话有什么区别?分别强调什么? I have a sore throat.My throat is sore.这两句话意思一样吗?有什么区别吗? i have never changed 和 i have never been changed 这两句话都是对的吗?意思有什么区别吗? 英语中have school和 have class的区别We don't have school tomorrow.和We don't have any classes.这两句话有何区别? I have finished reading it.I finished reading it.这两句话有什么区别吗?第一句语法有问题吗 I finish doing my homework.I have done my homework.两句话有什么区别,时态相同吗 英语纠错-请问这句话有错误吗?I have no idea of who he is还是who is he? I didn't do anything与I did nothing的区别?在英语国家这两句话有区别么? 两句英语的区别1.I'll let you have it at 10 percent off.2.I'll giv you 10 percent off.请问有区别嚒 Do I have to do things they like----- I have to do the things they like to do 这两句话有什么区别如题 英语现在完成时问题I have gone at this school since 2012.这句话为什么用at?词组不是应该是have gone 请问区别,求用例句解答. 请问这两句话表达的意思相同吗?或者有什么区别?1 I was very for the last few weeks.2 I have been very busy for the last few weeks.请问这两句是否都是“我过去几周很忙”的意思?那么要表达的意思是相同的, I'm sorry to have made you disappointed.I'm sorry to have disappointed you.这两句话的区别