Book5 Module1语法填空1. _(obvious), the road is narrower and narrower. (Obviously)2.There are many students _ (queue) to get water in the water-supplying room. (queuing)3.This non-stop communication, the experts think, has made_ easier for British people andAmericans _ (understand) each other. (it; to understand)4.Thanks to all the efforts, the antelope population has begun to grow _ (steady). (steadily)5.The whole process has now been greatly