AMERICA, WHICH IS CONSIDERED TO BE A NEW CONTINENT, IS SAID _______...

48. - 421 CÂU TRẮC NGHIỆM ÔN THI ĐẠI HỌC
421 CÂU TRẮC NGHIỆM ÔN THI ĐẠI HỌC

48.America, which is considered to be a new continent, is said _________ by Chris-

topher Columbus.

A. to discover B. to have been discovered

C. to be discovered D. being discovered