急用 旅行（英语）同义词的用法 TRY TO DO/TRY DOING /MANAGE TO DO 用法,造句 COMMUNICATE TO /WITH 造

try to do努力去做 I often try to help my classmates.try doing尝试做,I tried knocking the back door when nobody answered the front door.manage to do成功地做成all of them managed to escaped the fire las...