cellphones of this kind [ ]well [a] sell [b]sells [c] are sold [d] is sold

cellphones of this kind [ ]well [a] sell [b]sells [c] are sold [d] is sold 用现在进行时的被动语态将下列句子变为疑问句1.Some students are spending as much as 200 yuan amonth on their cellphones.(as much as 200 yuan )2.This company is producing new types of cellphones.(new types of cellphones)3.They are i How can cellphones make this world more colorful? 英语翻译One problem with cellphones is that they have small screens.However,this probem could be solved in the future by building phones that project pictures and movies onto a wall or a sheet of paper.Cellphones will also be used with e-paper( The number of the cellphones they produced this year( )increased by 30% compared to( )of last yearA.has;that B.has;those C.have;those D.have;that该题正确答案应选A,为什么不能选B, cellphones have the functions of communication and information ,and it is entertaining错在哪里? 英文i hate cellphones The most common complaint about cellphones is that people talk on them to the annoyance of peopleto the annoyance there are many k( ) of bnoodles in this shop.填空 谁能帮我做一下这道英语题：The price of cellphones————（has risen ;has been raised)recently.该选 Explain how floyd algorith works and role of variable kGiven this algorithm for k i hate cellphones什么意思啊 英语翻译1.E-mail,as well as cellphones,_____ _____(play)an important part in daily communication.2.How many of you _____ _____(come) to the party tonight. 英语翻译Wang puts her hand into her pocket,takes out her red cellphone and presses the talk key.Wang is one of many Chinese teenagers who live life on the go and use cellphones. This is a map of the United Kingdom or the U.K.帮忙划分一下主、系、表 结构! L1 and L2 are concurrent find k ：how to translate this sentence into Chinese?it was from a math question，k is the slope of one straight line In spite of this books of this kind