- 1.What is L in L， H， C three elements？2.”Three engineers in A&D didn’t get their wages on time”.Which department should take the responsibility？3.How much does Jane Bake pay for three nights？4.What are the three parts of a paragraph？5.What are the three sections of an essay？6.It（）three weeks since we began our new term.7.Three of them are working extremely well.8.－－－－-How long （）here in China?－－－－- For three years.9.Er Ren Zhuan has three forms: （）10.There are three main laws of mechanics （） three laws of Newton.11.What are the three categories of gender？12.What are the three perfections？13.What are the three “jewels” of one's personal development in Daoism?14.What are the three types of an abstract?15.（） are the three durable plants that still thrive in cold winter, known as the three friends of winter.16.There are three moods in English.17.Determiners such as both, two, three, etc., another twothree, many, (a) few, several, these, those and a (great) number of can o18.Homonymy can be divided into three types.19.The three small children with children as its head, belongs to（）.20.Britain’s “Big Three” include（）.