根据括号内的提示翻译下列句子
1.王教授平易近人，所有的年轻教师都喜欢向他请教。（approach）
2.谁都知道，什么样的树结什么样的果。（bear）
3.别担心，他肯定会回来的。（without doubt）
4.这位老人唯一的半绿就是他的宠物狗。（company）
5.完工后，这将是世界上最长的隧道。（tunnel）(when+过去分词)
6.这台机器的两部分是连在一起的？(join together)
7.树林向四面八方延伸。（spread out）

1 Prof. Wang is easily approached, and all the young teachers would like to ask him questions.
2 As is known to all, a certain tree bears a certain fruit.
3 Don't worry. He will come back without doubt.
4 The only company of the old man is his pet dog.
5 When it is finished, the tunnel is going to be the longest one in the world.
6 Do the two parts of the machine join together?
7 The forest spreads out.