6. important adj. 重要的　　 unimportant不重要的

5. friend　 n.朋友　　 friendship　 n.　 友谊　

3. slow　 adj.　　　 slowly　 adv.　　　 4. easy　 adj.　　 easily　 adv.

The dog has died.------- The dog has been dead since last week.

⑷①have (has) been to + 地点　　 去过某地 已经回来

②have (has) gone to + 地点　　 去了某地 没有回来

③have been in + 地点　　　 一直呆在某地 没有离开过　 如：

She has been to Shanghai. 她去过上海。(已经回来)

She has gone to Shanghai. 她去了上海。(没有回来)

She has been in Shanghai for 2 days.

她呆上海两天了。(没有离开过上海)

²　　　　 how to swim 怎样游泳　

　不定式与疑问词连用：动词不定式可以和what, which, how, where, when 等引导的疑问句连用，构成不定式短语。如：

　　 The question is when to start. 问题是什么时候开始。

　　 I don’t know where to go. 我不知道去哪。

²　　　　 系动词不能独立作谓语，要和表语一起构成谓语。常用的连系动词有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。 连系动词除be 和become 等少数词可接名词 作表语外，一般都是接形容词。　如：

　They are very happy.　　 He became a doctor two years ago.

She felt very tired.

²　　　 词汇

1. differently　 adv.　　 different　 adj.　 2. quick　 adj.　　 quickly adv.

20.----- How long can I ______ the book?　　 ------ Two weeks.

A. borrow　 　B. lend　 C. get　　 D. keep

Key:

1---5 D C A B B;　 6---10 C A A B C;　 11---15 B C C C B;　 16---20 C A C D D

19. Tom is ill in hospital. He _______ a cold for several days.

A. is　　　 B. catches　 C. has caught　　 D. has had

18.He ________ foe 2 hours.　

A. got up　 B.　 has got up　　 C. has been up

17.Are you _____ the jacket these days?　　

A. wearing　　 B. putting on　 C. dressing　 D. on

16.The bus ______ on the road for 2 hours so far.　

A. has stopped　 B. stopped　 C. has been

15.I'll lend you the book , but you can only _____ it for 2 days.　

A. borrow　 B. keep　 C. take