我要去图书馆了。
I'm ___off to the library.
狗跑进花园里去了。
The dog ran ___off into the garden.
他从自行车上摔了下来。
He fell ___off his bike.
有人从我桌子上拿走了一本书吗?
Has anyone taken a book ___off my desk?
你能从那块白奶酪上给我切一小块吗?
Could you cut me a small piece ___off that white cheese?