This is all what Dr.Smith said at the meeting.改错题

This is all that our headmaster said at the meeting It is true what he said at the meeting Do you remember _____he said at the meeting.A.all what B.all What he said at the meeting ____true what he said at the meeting made___difference to all of us what he said at the meeting ()quite all right.填sounded 还是lis That` all the headmaster said at the meeting .求翻译? He seemed ____ at what you said at the meeting. ---was said at the meeting is important.A:what B:which C:tha (what)he said at the meeting is very important,so please kee what he said at the meeting yestoday()true A.proves b .is pr 改错：This is all what they did.