20．You             walk too close to the edge of the hill because you might fall and hurt yourselves．（　�。�

A．

mustn't

B．

must

C．

can

D．

needn't

19．-Tom，would you like to go to our English party this Saturday？
-_______（　�。�

	A．	Yes，please．		B．	I don't like to．
	C．	Yes，I'd love to．		D．	Yes，thanks．

18．-Hi，Mike，I saw Jim in the zoo just now．
-It ______ be him．He has gone to Beijing．（　�。�

A．

can't

B．

must

C．

mustn't

D．

can

17．假設(shè)你是李雷，昨天你參與了學(xué)校值日．請(qǐng)寫一封信向校長(zhǎng)匯報(bào)你值日時(shí)的所見所聞，并提出改進(jìn)建議．要點(diǎn)如下：

值日見聞	1、校園不整潔，有學(xué)生亂扔垃圾，亂涂亂畫，摘花，踩草坪； 2、有學(xué)生吃垃圾食品，課后大聲喧嘩，互相打鬧，離開教室時(shí)忘記關(guān)燈； 3、考生自擬1-2點(diǎn)校園不文明行為．
建   議	考生自擬至少兩點(diǎn)．

要求：1、可以適當(dāng)發(fā)揮，信中不得出現(xiàn)真實(shí)姓名和學(xué)校名稱；
2、語(yǔ)言通順，意思連貫，條理清楚，書寫規(guī)范；
3、詞數(shù)：80詞左右．書信的開頭和結(jié)尾已經(jīng)給出，不計(jì)入總詞數(shù)．
Dear Headmaster，
I was on duty yesterday．                  ．
Sincerely，
Li Lei．

16．Waiter：（51）Can I help you？
John：Yes，I want a table for two．
Waiter：This way，please．Here's the menu．（52）Can I take your order？
John：Yes，I'd like a fried fish and a cabbage salad with a small bowl of rice，please．
Waiter：（53）Anything else？
John：I'd like a cup of coffee．That's all．
Waiter：Let me repeat your order，a fried fish，a cabbage salad with a small bowl of rice and a cup of coffee．（54）Wait a minute．
John：（55）Thanks．
Waiter：You're welcome．

15．46．Who's that speaking？E．
47．How is it going？A．
48．Why don't you watch English movies to improve your spoken English？B．
49．Your car is nice!D．
50．Would you like to help me feed my pet dog for a few days？F．

A．Just so-so B．That sounds like a fun way． C．It's my pleasure．

D．Oh，thank you． E．This is David． F．With pleasure．

14．His pet dog has been died for more than a year．B-dead
                   A            B               C．

13．They went fishingyesterday，so do we．B-did
                   A                         B  C．

12．The number of the doctors are 130 in the hospital．C-is
  A              B                    C．

11．Ben didn't come to school becausehis illness．B-because of            
           A                                 B            C．