网上的看不懂Every year a flood of farmers arrive in Shenzhen for the money-making jobs they _____ before leaving B、 were promised D、have been promised 为什么选D不选B,

网上的看不懂Every year a flood of farmers arrive in Shenzhen for the money-making jobs they _____ before leaving B、 were promised D、have been promised 为什么选D不选B, 英语翻译it rains a lot every month of the year 看不懂意思 Mr green f() to England every year each year与 every year的区别 every day for a year 意思 we have a speech c____ every year there are a lot of [ ]in thailand every every year 设f(x)是R上的偶函数,且图象关于直线x=a(a不等于0）对称,则f(x)是周期函数,2a是它的周期,怎么证明?关于x=a对称表示 f(x)=f(2a-x)f(x)=f(2a-x)=f(x-2a)即f(x+2a)=f(x)网上解析看不懂...怎么直接到f(x+2a)=f(x) every year in every every two years 和every other year的区别? 已知函数f（x）=loga（ax2+2x+a2）在[-4,-2]上是增函数,求a的取值范围不要原来网上有的 那个我看不懂 Tom's mother buys him a new school bag every year.对every year提问 求plus one的A pray for every year歌词这首歌真心好听 There's a Spring festival Gala on TV every year的同义句 英语问题；Many people get hurt in traffic ( )every year.( )填的单词开头是a They plant a lot trees in our hometown every year的同意句 My friends gives me a birthday card every year的同义句 there is a car near our town every year 这里的near什么意思 ?