It’stoo cold in the room. Please keep the door _______.

Two years _____ since I came here.

Carl, why not go andhelp your sister water the flowers there? —Why__________? I’m busy myself. Jack is lying on the grass doing nothing.

Hannah ________me; otherwise, other students wouldn’t have known my result of the quiz.[ ]

My sister_______ the League last month and she has decided to _______ the activity to help the aged next week.