2.We have planned everything months ago.
3.We spent nights looking up websites about landmarks and the most famous scenic spots in Australia.
4.We had to look through words in the menu for ordering room services.I could not believe our English was so inadequate.
5.Lucy had to get by her skin allergy caused by food.It brought up itchy rash all over her body.She could not help straching.
更新1:
Proofreading
更新2:
Dear cybercyncyn, There must be some grammatical mistakes in Question 2,3,4, This is proofreading. I do not think that the teacher would make the question all correctly. Otherwise, there is no need for us to proofread. thanks.
更新3:
sorry. I am not asking you to change the vocabulary.