what __the signs__ (mean) ?为啥前面只能填do 而不是does?

what __the signs__ (mean) ?为啥前面只能填do 而不是does? __the smiths going to move where are 还是what is what are these in English?改为同义句__the English __these?每空填一个词 what __the population of America?a.is b.are 请详解 __the little girl looks.A how sad B what sad 可是我觉得不太对, What's the answer __the question?A.with B.on C.of D.to 为什么? __The activity was delayed,____was exactly___we wanted A which what B which which C that what D that that The boy went to the zoo last weekend.(对画线部分提问：went to the zoo) What __the boy__last weekend what would Jill like to have __the base of her pizza?a.as b.to c.and d.or What happened __the soap opera Friends ___Friday night? A./;on B.on;on C.on;/ D./;/选什么?为什么? the sahara desert is __the sea of deaththat we callwhat we callwe call it that what is called I will go __the country needs me most.A.which B.where C.that D.what 选择哪一个? __the cat___fish.用鱼喂猫 __the concert填介词 Smoke rose __the jar. __ __the pictures,please A:What do you think of __the future?B:Well,it can be difficult__ __ __embarrassing.下面还有的 这是一个补全对话的题目 What is the best way you can think of __the present problem?A.doing with B.do with C.to do with D.done with为什么选C?