用some time ,sometime,some times,sometimes填空 （1）I stayed in Germany for____last year

用some time ,sometime,some times,sometimes填空 （1）I stayed in Germany for____last year
(2) I will go to Britain___next year (3),Please read the letter___,you will understand the meaning of it (4) I ___play footbridge with my father (5) I spent ____going over my lessons yesterday.