根据句意及汉语提示写出所缺的单词
1. Bike riding has more advantages (优点) than disadvantages.
2.There is much rubbish at the bottom(底部) of the river.
3. There is a wooden(木制的) box on the table.
4.The bike is very expensive for me. It will cost(花费) me about six hundred yuan.
5.Don't laugh at the ugly(难看的) picture. After all, it waspainted by a fouryearold boy.
6.My uncle is a fisherman(渔民) and he goes fishing every day.
7.We should use fewer_ plastic(塑料的) bags in order toprotect the environment.
8.Nylon is made from air, coal(煤) and water.