is belong to 还是 belongs to

is belong to 还是 belongs to belong to的复数是belongs to还是belong tos sth belong to sb 还是 sth belongs to sb? I think it ___Tom belong to还是belongs to This farm( )his aunt.A.is belong to B.belongs C.belongs to D belong to 和belongs to的区别 I dont't know whom this backpack belong to 还是 belongs to 属于我的英文是 Belong to me 还是 Belongs to me Half of the vegetables——mine A belong to B belongs to C is D This book __ to Mary.A belong B belongs C is belonged D is b I think black pen ______ Jim.A is belong to B belongs C is b it is belongs to me belong后面为什么要加s