1.Show your new bike tome please,Henry
show sb sth = show sth to sb
2.Put out the light when you leave,Betty
put out =switch off
3.This town is lack of electricity.
be short of =be lack of
4.Electricity can't be seen
invisible = can't be seen 不可见
5.In the end,I trieded marry 楼主单词打错了吧
In the end=at last
6.Water is much safer than electricity
倒过来就是了
7.He is very young,but he knows a lot about science
Although and But 都表示转折 但不可在同一句中.
8.I am lack of money.
be short of =be lack of 缺少
9.There is sugar and nuts in this kind of moon cakes
注意 there be 的be要遵守be后第一个词的单复数形式