句子翻译。根据下面各题所给的汉语意思用英语完成句子。(本题共5小题,每小题2分,满分10分)老师总是鼓励我们课上说英语。扔掉纸和金属是浪费的。书能被电脑代替吗?你不能在这抽烟。我正在寻找你在澳大利亚照的相片。
(谁的) baseball is this?
It belongs to Tony.
The government of Laiwu provides a bag of (牛奶) for each pupil every day.
It is (有礼貌的) to knock at the door before entering a room.
Tea plants are (广泛地) grown in the south of China now.
Hold on to your (梦想), and one day it may come true.