26．They usually use the Internet ________ their homework．

A．do                          B．doing                            C．to do                     D．did

25．How often do you go back to your hometown?

       --________．

A．Since three weeks ago                                 B．For three weeks

D．In three weeks                                           D．Every three weeks

24．I often go shopping with my mother ________ Sunday morning．

A．in                          B．at                           C．for                        D．on

--Just $150．

A．How much              B．How many             C．How long               D．How often

23．--________ is the bike?

22．The boy often helps his friend ________ email and photos．

A．sends                      B．send                       C．sent                        D．sending

21．Where ________ Paul and Steven ________ from?

A．do，comes             B．does，come            C．do，come              D．does，comes

15．Sam’s ________ is a policeman．

A．brother                          B．father                                   C．uncle

四）请听下面一封信，根据所听内容补全下面的邀请函。信件读两遍。（5分）

14．Sam’s sister works in________．

A．Shanghai                B．Beijing                                C．Guangzhou