平面环形交叉口设计除了中心岛的半径应满足设计车速的要求外，还应满足下列( )种要求。

用方框中所给单词或词组的适当形式填空，每个词只能用一次。

two，south，open，easy，with

小题1:Guangzhou is in the ____ part of China。
小题2:They will go to Shanghai ____ their parents。
小题3:____ your door first and it’s not difficult for you。
小题4:My father has lots of friends，they can get together very____。
小题5:Monday is the ____ day of the week。