问题描述:
He's learned English since he came here划线since he came here怎么回答
原问是:
How___________ __________ he learned English
感觉上第二个空应该是have或者是had...
原问是:
How___________ __________ he learned English
感觉上第二个空应该是have或者是had...
问题解答:
我来补答展开全文阅读