15．A．用方框所给的单词的适当形式填空，每词只用一次．
56．Thursday is thefifth day of the week．
57．A smilecosts nothing，but gives so much．
58．I really enjoyed your lecture，_though there were some parts I didn't quite understand．
59．Foodsafety is important．Rules must be made to stop people from food pollution．
60．Sorry，I can't follow you．Would you please speak moreclearly？
| cost though safety five clearly |
57．A smilecosts nothing，but gives so much．
58．I really enjoyed your lecture，_though there were some parts I didn't quite understand．
59．Foodsafety is important．Rules must be made to stop people from food pollution．
60．Sorry，I can't follow you．Would you please speak moreclearly？
13．根据对话内容，从下面方框中选择适当的单词或短语填空，使对话内容完整正确，并将答案填写在答题卡标号为51～55的相应位置上．
A：Hello!Can I help you？
B：Hello!I'd like to speak to Mr．Sun，Manager of the Customer Service Department．
W：Please （51）hold on for a minute and I will transfer your call．
（ a few seconds later）
C：This is Sun Yang from the Customer Service Department speaking．What can I do for you？
B：I bought a mobile phone from your shop two weeks ago，but now it doesn't ring （52）at all．
C：Have you （53）restarted it？
B：Yes，I did that，but it still didn't work．
C：I am sorry for that．But could you bring it to our shop and we will （54）have it checked first？
B：Yes，please．I will take it to your shop tomorrow．
C：OK．We will deal with it （55）as soon as possible．
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| have it checked； restarted； hold on； as soon as possible； at all |
B：Hello!I'd like to speak to Mr．Sun，Manager of the Customer Service Department．
W：Please （51）hold on for a minute and I will transfer your call．
（ a few seconds later）
C：This is Sun Yang from the Customer Service Department speaking．What can I do for you？
B：I bought a mobile phone from your shop two weeks ago，but now it doesn't ring （52）at all．
C：Have you （53）restarted it？
B：Yes，I did that，but it still didn't work．
C：I am sorry for that．But could you bring it to our shop and we will （54）have it checked first？
B：Yes，please．I will take it to your shop tomorrow．
C：OK．We will deal with it （55）as soon as possible．