He is not native, if he were, we _______ this discussion over his identity.
Tom sat under a tree and seeing his friend, ___ up in no time.
Being lazy ___ Peter his job.
In order not to be disturbed, I spent three days ___ up in my study.
We are only___ glad to do anything we can ___ her.
—Now that you like the personal computer very much, isn’t it a good idea to get one? —Well, I’d like to but I can’t afford ___ computer at present.