i don't know _ good they could have done.A.howB.that C.what

i don't know _ good they could have done.A.howB.that C.what I don't know ____ they have passed the exam.A.what B.if C.wh i don't think he could have done better than that,()?A.do i 【英语】They don't know _____their parents are.A.that B.what C.w They don t know ----their partners are.A.that B.what C.why D 1.They don't know ______their parents are.A that B what C wh 英语翻译What I have done to youI don’t know where do I step and I don't _____ they will have the meeting.A.that B.where C.wh 反义疑问句I don't think he could have done such a stupid thing la I don’t think he could have done such a stupid thing last ni I don't think he could have done such a stupid thing last ni I don,t think he could have done such a stupid thing last ni