Much to his surprise，he invited only twenty friends to the dinner，but       came．

    A．twice as many as                   B．as many as twice

    C．twice as many                       D．twice more than

The @ symbol was used to show the cost or weight of something     it became the standard symbol for e-mail．

A．though    B．since    C．when   D．before

Not until I had arrived home       my appointment with Michael Smith．

A．did I remember                              B．that I remembered

C．when I remembered                       D．had I remembered、

―Will it snow any more?

―       ．We have had enough this year．

A．I hope so               B．I find not            C．I think so               D．I hope not

When it       air pollution, Beijing faces the three“C”s，cars，coal and construction，which lead to Beijing's thick air pollution．

A．refers to                B．comes to            C．happens to              D．speaks to

―Which of the two books will you buy?

―I will buy     ，for I've got some such books．

A．both                      B．either                 C．neither                    D．none

Stand over there，       you'll be able to see Tuan Tuan，one of two pandas selected as a gift for Taiwan．

A．or                         B．so                      C．but                        D．and

―I didn't do well in the exam yesterday．Of course I      for it．

―Oh，you poor fellow! But I think you should learn a lesson．

A．hadn't studied                          B．haven't studied

C．wasn't studying                       D．wouldn't study

An Iraqi reporter during a news conference    threw his shoes at Bush and called him a dog in Arabic shocked the world．

A．who                      B．where                C．whom                    D．which

At that time, what worried Zhang Yimou most was the weather，which we all know is evidently       anyone's control．

A．above                    B．beyond               C．under                     D．over