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．假设你是李雷，昨天你参与了学校值日．请写一封信向校长汇报你值日时的所见所闻，并提出改进建议．要点如下：

值日见闻	1、校园不整洁，有学生乱扔垃圾，乱涂乱画，摘花，踩草坪； 2、有学生吃垃圾食品，课后大声喧哗，互相打闹，离开教室时忘记关灯； 3、考生自拟1-2点校园不文明行为．
建   议	考生自拟至少两点．

要求：1、可以适当发挥，信中不得出现真实姓名和学校名称；
2、语言通顺，意思连贯，条理清楚，书写规范；
3、词数：80词左右．书信的开头和结尾已经给出，不计入总词数．
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．