Peter ________ at this job since he graduated from college.
John shut everybody out of the kitchen ____ he could prepare his grand surprise for the party.
一Tell us, Mark ,what is the ____ of the American Civil War?一 Well, is it because the black slaves wanted freedom?
So much of interest ______that most visitors simply run out of time before seeing it all.
My sister, an inexperienced rider, was found sitting on the bicycle ______to balance it.
In my view, London’s not as expensive in price as Tokyo but Tokyo is ______in traffic.