convenient places. Now, it is easy to find a bike, and to register with ___47___ smartphone.

Meanwhile, there is now a lot of ___48___ (compete) among bike ——sharing providers because of their

___49___ (popular). Some providers are trying to flood the streets with bikes to be more visible. Sometimes there are so many bikes that they ___50___ (complete) block the sidewalks.

【答案】41. have taken/have been taking

42. it 43. going

44. months 45. more

46. However

47. a/your 48. competition

49. popularity

50. completely

【解析】

【分析】

这是一篇议论文。本文主要介绍了城市里越来越多的共享单车在给人们带来方便的同时，也带来了一些问题。

【42题详解】

考查代词it作形式主语，it be +adj + to do something，是固定句型，it作形式主语，故填it。

【43题详解】

考查非谓语动词。作句子主语，用v+ing形式，故填going。

【44题详解】

考查名词单复数。前边有数词six修饰，用可数名词复数，故填months。

【45题详解】