A:
B:
C:
D:
He was ____ (homeless/homelessness), so we took him in.
如图所示,比赛中足球被踢出后在空中飞行时受到的力有( )
Who _______ playing the game? ( )
复句分为____(1)____和____(2)____两大类。(1)又分为①并列关系,②____,③____,④____,⑤____;(2)又分为①因果关系,②____,③____,④____