欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

 During the last three decades, the number of people participating in physical fitness programs ______ sharply.

A was increasing      B. has increased     C. had increased     D. will be increasing

 When the group discussion is nearing its end, make sure to _____ it with important point.

A. conclude               B. lead                   C. avoid                 D. hold

 Eye doctors recommend that a child’s first eye exam _____ at the age of six months old.

A. was                      B. be                     C. were                 D. is

 _______ how others react to the book you have just read creates an added pleasure.

A. Hearing                 B. Hear                  C. Having heard      D. To be hearing

 If we leave right away, ______, we’ll arrive on time.

A. hopefully               B. curiously           C. occasionally       D. gradually

 The children, ______ had played the whole day long, were worn out.

A all of what              B. all of which        C. all of them         D. all of whom

 As the world’s population continues to grow, the ______ of food becomes more and more of a concern.

A. worth                   B. supply             C. package             D. list

 I ______ myself more ---- it was a perfect day.

A. shouldn’t have enjoyed                        B. needn’t have enjoyed

C. wouldn’t have enjoyed                        D. couldn’t have enjoyed

 Mary worked here as a ______ secretary and ended up getting a full-time job with the company.

A. pessimistic            B. temporary          C. previous            D. cautious

---- Hey, can I ask you a favor?

---- Sure, _________ .

A. here you are                                       B. just as I thought

C. how is it going                                   D. what can I do for you?