is this what we decided?这里为什么要加what?Would you mind repeating it?这里repeat为什么要加ing?

This is what we must This is what we have twit today. this is what we learns是什么从句 this is what we call a chain reaction还是this is what is we call it a chain reaction? This is not exactly what we are after. Time ticking,in this time we what is there left. we did a survey of our readers and this is what we leaned 为什么 we leaned 前面是what 求一首英文歌,歌词里好象有一句And if this is what we got,what we got is gold We did a survey of our reads and this is what we learned（翻译） we asked some people what they think and this is what they said.翻译 This is what we call the dirty air what comes out of cars.怎么翻译 is this what we decided? 这里的what起到什么作用? This is what I what What is this? 翻译what is this what is this? 翻译what is this What is this. 改错