һTell us, Mark ,what is the ____ of the American Civil War?
һ Well, is it because the black slaves wanted freedom?
A. effect B. cause C. result D. reason
So much of interest ______that most visitors simply run out of time before seeing it all.
A. offers Beijing B. Beijing offers C. does Beijing offer D. Beijing does offer
My sister, an inexperienced rider, was found sitting on the bicycle ______to balance it.
A. having tried B. trying C. to try D. tried
In my view, London's not as expensive in price as Tokyo but Tokyo is ______in traffic.
A. the most organized B. more organized C. so organized as D. as organized as
It is one of the funniest things ______ on the Internet so far this year.
A. finding B. being found C. to find D. found
Einstein like Bose’s paper so much that he ____ his own work and translated it into German.
A. gave off B. turned down C. took over D. set aside
