______does the first class begin?Tom finds the shoes _______the right size._________nice dining room!We can make a snowman in_________.What will you take _______you?We visit one of my ________from London.She finishes_______it first.We can make a snow

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______doesthefirstclassbegin?Tomfindstheshoes_______therightsize._________nicediningroom!Wecanmakeas

______does the first class begin?Tom finds the shoes _______the right size._________nice dining room!We can make a snowman in_________.What will you take _______you?We visit one of my ________from London.She finishes_______it first.We can make a snow
______does the first class begin?
Tom finds the shoes _______the right size.
_________nice dining room!
We can make a snowman in_________.
What will you take _______you?
We visit one of my ________from London.
She finishes_______it first.
We can make a snowman in______.
I want to post a letter .Where can I bun a_____?

______does the first class begin?Tom finds the shoes _______the right size._________nice dining room!We can make a snowman in_________.What will you take _______you?We visit one of my ________from London.She finishes_______it first.We can make a snow
___When___does the first class begin?
Tom finds the shoes _____at__the right size.
_______What__nice dining room!
We can make a snowman in___time______.
What will you take ____from___you?
We visit one of my ____cousins____from London.
She finishes_____doing__it first.
We can make a snowman in___time___.
I want to post a letter .Where can I bun a_____?

你的题目打错了应该是：已知a的平方-4ab+4b的平方+2a-4b+1=0
这样 可解
a^2-4ab+b^2+2a-4b+1=0
(a-2b)^2+2(a-2b)+1=[a-2b+1]^2=0
a-2b+1=0
a-2b=-1
所以（a-2b)^2001=-1

______does the first class begin?Tom finds the shoes _______the right size._________nice dining room!We can make a snowman in_________.What will you take _______you?We visit one of my ________from London.She finishes_______it first.We can make a snow ______does the pen belong to?It's mine.填whose还是 who呢 He sometimes goes sightseeing in the contryside(对sometimes提问)_____ ______does he go sightseeing in the countryside the first The first first of all first the first at first的区别 the first of the A:______does he go to the library?B:He goes there once a week.在横线上填入适当的疑问词 ______does _____packet of chips cost.A.How much;a B.How much;an C.How many;an D.How many ;the first of all,first,at first,for the first time,the first time有什么区别 英语翻译 in the first. win the first for the very first in the first place the first time 造句 at the first crossing 例如The first four take the first