三、完形填空（本大题共15小题，每小题1分，共15分）

第一部分:从所提供的选择项中选择一个最佳选项填入短文的空格内，请将 其代码填涂在“答题纸”相应的位置上。错涂、多涂或未涂均无分。（每小题1分，共10分）

PayPal is considered as the   21   reliable and widely used payment gateway.   22  

 different online businesses use this facility via cards, debit cards or  23   the website itself. The PayPal payment system is   24   user-friendly that can be installed in online shopping cart software that   25   safe and easy e-commerce website solutions. Companies   26   their own URL can insert code into the website   27   payment gateways provided by any reliable service provider. You can also   28   for a free trial for the shopping software.

According to experts,   29   increase web traffic flow to an e-commerce website, solutions   30   can be used are as follows—graphic designing, web design of the home page, flash animation, template web page design service and so on.

21.A. most                   B. best                         C. much                       D. both

22.A. Much                  B. Many                       C. A lot                         D. A great deal

23.A. by                       B. thorough                  C. through                    D. with

24.A. mostly                 B. prettily                     C. wildly                      D. highly

25.A. ensure                 B. ensures                    C. insure                      D. insures

26.A. have                    B. has                          C. having                      D. had

27.A. along with            B. in that                      C. in terms of               D. except for

28.A. run                      B. work                        C. make                       D. go

29.A. as long as            B. in spite of                 C. in order to                D. according to

30.A. that                     B. what                        C. this                          D. where