13. We referred to some photos of previous exhibitions on the computer.
我們在計算機里找到一些過去參展的照片作參考。
還能這樣說：
We searched our computer to refer to some photos of previous exhibition.
We found some photos of previous exhibitions in the compuer for reference.
應用解析：
refer to sb. 提到某人，涉及到某人，與某人有關；
refer sth. back to sb. 將退給送件人予以澄清；
refer oneself to 依賴

14. We need fix a time for the exhibition.
我們應該為舉辦展會挑個時間。
還能這樣說：
We need choose a right time for the exhibition.
A right time is a must for the exhibition.
應用解析：
fix on 決定，專注，凝視；
fix the blame on sb. 歸罪；
fix one's eyes on 注意，凝視；
fix attention on 集中注意力于；
quick fix 權宜之計；
no fixed address 無固定住所

15. Everything should be prepared well for the exhibition.
展會中的一切都要準備好。
還能這樣說：
We should make good preparation for the exhibition.
We need arrange everything well for the exhibition.
應用解析：
as well 同樣；
do well out of 因……獲利；
just as well 不要緊；
may well 還是……好的；
pretty well 幾乎，差不多；
well up in 對……在行；對……消息靈通

16. It is necessary to make some leaflets for our stand.
有必要為我們的攤位做些宣傳頁。
還能這樣說：
There is need for our booth to have some leaflets.
We must prepare leaflets for our booth.
應用解析：
know how one stands with sb. 知道別人對某人的看法如何；
stand a chance 有機會；
stand on one's own feet 自助，自立；
stand sth. on its head 徹底改變，徹底推翻

17. It's important to design the exhibition stand well.
把展覽攤位設計好是非常重要的。
還能這樣說：
Designing the exhibition stand well is very important.
We attribute great importance to the design of stand.
應用解析：
full of one's own importance 自負，自高自大；
an important family 名門；
with an important look 顯出神氣活現的樣子