完成对话
A：Hello？（71） ？
B：Hi，Lisa．It's Anna here．
A：Oh，hi，Anna．（72） ？
B：I am studying for the math test．
A：I called you at 4：30this afternoon and you didn't pick up．（73） ？
B：I was at the city park with my sister at that time．
A：（74）． ？
B：We were picking up litter near the lake．
A：I'd like to join you，too．Can I go with you next time？
B：（75）． ．
Jane：（66） ．
Doctor：Good afternoon，Jane （67） ？
Jane：I'm not feeling well and I have a headache．
Doctor：（68） ？
Jane：It started this morning．
Doctor：Let me see．Oh，there's nothing serious．You have a cold．
Jane：（69） ？
Doctor：You'd better take these pills and drink more hot water．
Jane：I'll follow your advice，Thank you．
Doctor：（70） ．
[Bob and his mother are visiting the security education show（安全教育展）]
M：Bob，come here．There are many pictures．
B：（66） ．
M：About traffic safety．
B：Uh﹣huh．It seems boring．
M：Oh．no．（67） ．
B：Maybe，right．Mum，look at this picture，A girl is hit by a car when she is running across the street．（68） ．
M：So it is!
B：（69） That can help us keep safe．
M：Yes．Let's go to another hall．
B：（70） ．Let's go．
A．How terrible!
B．It's my pleasure．
C．Good idea!
D．What do you think of them？
E．What are they about？
F．It is educational to everyone．
G．I think we must follow traffic rules．
A：Hello! May I speak to Dr．Bruce？
B：（71） ．Who's that，please？
A：This is Alice．Dr．Bruce．I'm not feeling well．（72） ？
B：Sorry，I don't have time this morning．But you can come to my office this afternoon．
A：OK．Let's make it 3：00p．m．
（At 3：00p．m．in the Dr．Bruce's）
B：（73） ？
A：I have a headache and a cough．And I don't feel like eating．
B：（74） ？
A：Two days．
B：You may have the flu．You'd better take the medicine．And you'll get well soon．
A：I think I will．（75） ？
B：Take the medicine before meals．Two pills each time and three times a day．
A：Thanks a lot．Dr．Bruce．
B：You're welcome．
A：Hello．May I speak to Bob？
B：Hello．（66） ．Is that Tony？
A：Yes．Bob，（67） ？
B：I'm just listening to music．What's up？
A：I'm going to your city to take part in a competition．
B：Glad to hear that．（68） ？
A：I'm arriving on June 24th．Can you meet me at the airport at 4p．m．on that day？
B：（69） ，but I'm afraid I can't．I will ask my brother Henry to meet you．
A：Oh，but I don't know Henry．（70） ？
B：He has brown hair and wears glasses．He looks exactly like me．
A：OK．See you then．