What do you think of Tom’s decision to leave the company—I have nothing to say. I don’t think I should _____ his decision.

Throughout history,thelanguage _ by a powerful group spreadsacross a civilization[ ]

I have no idea whether he has sisters, and if he does, _____？[ ]

Nobody except Lily and Lucy___New York for a month last year. Only they can be our guides.

Bob swims ________ than I, but he doesn’t swim_________ my brother.