__ has recently been done to solve traffic problems,a shorta

__ has recently been done to solve traffic problems,a shorta Recently a survey has been done to find out how students lik 英语填空Recently,a survey has been done to find out how nature w _____has recently been done to provide more buses,a shortage what will you do to help solve the traffic problems 英语翻译1.Yet little has been done to solve this problem worldwi ____ has recently been done to provide more buses for the pe （ ）has recently been done to provide more buses for the peop _____ has recently been done to provide more buses for the p 第十三讲 宾语从句5.____ has recently been done to improve the taxi s something must be done to solve the problems（）succeed our government has tried its b___ to solve these problems