为什么_____that your cap?“———”中要填“Is”不填“It's”?

_____that your brother? 为什么_____that your cap?“———”中要填“Is”不填“It's”? _____that's important is that you are doing your best and moving in the right direction.A One B All C Everything D Anything 为什么选B? I don't agree with _____that you said .Some of your ideas are reasonable.A,anything B everything答案选B为什么呢?I don't agree with _____that you said 中有don't 为肯定句还是否定句? 1.It was essential that theapplication forms ____________back before the deadline.A.must besent B.would comeC.be sent D.were sent选B,但为什么不选C?2.If you _____that night,you mighthave been too late to get your ticket.A.didn’thurry B.hadn 为什么ca属于金属元素 Would you please not mix this _____that?A to.B with.C plus.D together选哪个,为什么? He _____that he ______ (will wait )for me .这句话第二个空白处为什么要填成 would呢? Can you _____that in Chinese So _____that we could hardly see it.A the mark was smallB samll was the markC samll the mark wasD was the mark small为什么? .Is this _____that you saw in the street yesterday?.A one B the man C that D he 为什么不能选A _____that not all government officials are honest.答案用的it seems to me,但是为什么不可以用“in my opinion,i believe”呢? 金属活动性Ca>Na,为什么碱性NaOH>Ca(OH)2 Ca|| Is that your backpaack?（改为同意句） _____that backpack_____?This is her dictionary.（对划线部分提问）What's this in Einglish?(改为同意句）What's______ _______ ________this? _____that is important is that you are doing your best and moving in the right direction.A.One B.All C.Everything D.Anything解释下为么不能选one,它也可以做代词. Why not get your husband a CD player for his birthday?---_____That's too expensive.A.Good idea!B.I agree with you.C.No way!D.Not at all. The students _____that our class will visit a water treatment factory this afternoon.A.knew B.are knowing C.will known D.have known（答案选D,为什么不选A?) 要具体分析哦（The students _____that our class）作主语，knew表示一个