【简答题】II. Fill in the gaps with words or phrases given in the box. Change the form where necessary. 1. Some substances _______ corrosion by air or water. 2.International adviser Richard Tanson at the Univer...
【简答题】Read this article, then choose the best sentences (a-f) to complete the gaps (1-4). Note that you will need only four of the six sentences given. It is sometimes difficult to refuse a gift without cau...