单句语法填空
1．The Group of Eight, or G8, was_formed (form) by eight of the world's wealthiest nations in 1998.
2．The G8 is_made (make) up of political leaders from France, the United States, Britain, Germany, Japan, Italy, Canada and Russia.
3．It is going to be remembered as a historical meeting this year, as the topic of Africa will_be_discussed (discuss) in detail.
4．Reforms have_been_demanded (demand) by people all over the world.
5．We can't use the bridge now, because it is_being_repaired (repair)．
