解析：修饰动词 talked，用副词形式。
答案：merrily
2.He was very (happily) about his purchase and the price was reasonable.
解析：在系动词 be 后作表语，用形容词。
答案：happy
3.(2010•广州模拟)One of the (bad) gift choices I ever made was for my high school English teacher，Ms Chen.
解析：由the和I ever made可知，用bad的最高级。
答案：worst
4.(2010•佛山模拟)Games are often (excite) and dramatic，but they generally aren't very intellectual.
解析：作表语用形容词，指比赛“令人兴奋的”，用ing形式的形容词。
答案：exciting
5.Seated in a comfortable chair，listening to the peaceful music，you'll be brought into a (relax) state of mind.
解析：作定语要用形容词，表示人感到轻松的，用ed形式的形容词。
答案：relaxed
6.(2010•深圳模拟)“How much is a dish of plain ice cream？”he asked.Some people were now waiting for her service and the waitress grew a bit (patience).“Thirty five cents”，she said (rude).
解析：前空是在系动词grew后作表语，用形容词；后一空是修饰动词said作状语，用副词。
答案：impatient；rudely
7.(2010•汕头模拟)This was (large) because pet owners tended to be the middle age，who have less education and more healthrisk factors.
解析：修饰because引导的整个原因状语从句，作状语，用副词。
答案：largely
8.Some of these universities have forty thousand or (many)students.
解析：指比四万“更多”的学生。
答案：more
9.They are made from a variety of materials，such as wax and glass，so (skill) that they can scarcely be distinguished from natural flowers.
解析：修饰谓语are made，用副词。
答案：skillfully
10.The number of people present at the concert was smaller than expected.
解析：修饰形容词比较级，表示“少得多”。
答案：much
Ⅱ.语法填空
When a plane from London arrived at Sydney airport，workers began to unload a number of wooden boxes 1 contained clothing.No one could account for the fact that one of the boxes was 2 (extreme) heavy.It suddenly 3 (occur)to one of the workers to open up the box.He was 4 (astonish) at what he found. 5 man was lying in the box on top of a pile of 6 (wool) goods.He was 7 surprised at being discovered that he did not even try to run away.After he was arrested，the man admitted 8 (hide) in the box before the plane left London.He had had a long and 9 (comfort)trip，for he had been confined (关在)to the wooden box for over eighteen hours.The man was ordered to pay ￡3,500 for the cost of the trip，which was 10 expensive than the normal prize which only cost ￡2,000.
语篇解读：本文讲一个人为少付机票钱，而躲在木箱里长达18小时，到达时却被发现后被罚比买机票多得多的钱。
1.解析：引导定语从句并在定语从句中作主语，先行词是物，用which。
答案：which
2.解析：修饰形容词heavy，用副词形式。
答案：extremely
3.解析：此句缺谓语，由上下文可知是叙述过去的事，用一般过去时。
答案：occurred
4.解析：作表语要用形容词；表示“感到惊讶”，用ed形容词。
答案：astonished
5.解析：表示有“一个”人躺在箱子里，用不定冠词，句首要大写。
答案：A
6.解析：作定语用形容词形式，woolen表示“羊毛制的”。
答案：woolen
7.解析：修饰形容词要用副词，由后文的that可知，填so，构成so...that...句型。
答案：so
8.解析：因admit后要求用doing作宾语。
答案：hiding
9.解析：在名词trip前作定语，要用形容词；由长时间躺在箱子里可知，旅途是“不舒适的”，故填uncomfortable。
答案：uncomfortable
10.解析：由than可知前面的形容词要用比较级；因expensive是多音节形容词，故填more。
答案：more