Why does the woman call the man？
A .To cancel a flight.
B. To make an apology.
C. To put off a meeting.
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We choose this hotel because the price for a night here is down to $20,half of_____it used to charge.
A.that
B.which
C.what
D.how
A. It entertains young parents.
B. It provides serious advertisements.
C. It publishes popular science fictions.
D. It combines fun with complex concepts.
What does TOKNOW offer its readers？A. Online courses.
B. Articles on new topics.
C. Lectures on a balanced life.
D. Reports on scientific discoveries.
How much should you pay if you make a 12-month subscription to TOKNOW with gift pack from China？A. £55. B. £60. C. £65. D. £70.
Subscribers of TOKNOW would get .A. free birthday presents
B. full refund within 28 days
C. membership of the TOKNQW club
D. chances to meet the experts in person
Who is the speaker
A.reporter
B. policeman.
C. photographer.
材料一清末，有很多部门负责管理北京的街道与沟渠、河道，“严且备矣”，但“究其实，无一人过问”，以致北京城“粪土载道，秽污山积”，“洋人目之为猪圈，外省比之为厕屋”。清政府每年出资修缮，并向商民收取巨款，但款项皆被官员私吞，学&科网并没有真正用于街道等的修缮，戊戌变法时期，清政府令“各衙门即行查勘、估修，以壮观瞻，并大清门、正阳门外，菜蔬鸡鱼摊肆，一概逐令于城根摆设”。对此改革，“官吏民，皆称不便”，更有官吏怂恿百姓联名反对。
——据苏继祖《清廷戊戌朝变记》
材料二
凡改革之事，必除旧与布新，两者之用力相等，然后可有效也，苟不务除旧而言布新，其势必将旧政之积弊，悉移而纳于新政之中，而新政反增其害矣。
——摘自梁启超《戊戌政变记》
（1)根据材料一并结合所学知识，概括清末北京街道管理改革的原因。（8分)
（2)根据材料并结合所学知识，简析清末北京街道管理改革的困难及启示。（7分)
He hurried home,never once looking back to see if he_____.
A.was being followed
B.was following
C.had been followed
D.followed