1 . 我希望治疗是有效果的。如果有必要，我会捐些钱给他。(if necessary) (汉译英)

3 . Our teacher __________________________ before 8 o’clock.
我们老师要求我们八点前到达。

4 . I wrote out the advertisement on the back of an old envelope and read it aloud to see ____________________________________.   
我把这则广告写在一个旧信封的背面，然后大声地读了起来，看它是否通顺。（用宾语从句）

6 . A chilli plant can tell if a neighbouring plant is helpful, or unfriendly. (英译汉)

8 . Ben later joked that the job should have been advertised not as the “best”, but the “busiest job in the world”!(英译汉)