Dick made a phone call to his wife, ________ was certain about where the car key was.
| A．which | B．what | C．it | D．who |
In 1492, Columbus_______ on one of the Bahama Islands, but he mistook it for an island of India.
A lands B landedC has landed D had landed
One-third of the country ______ covered with trees and the majority of the citizens black people.
A. is; are B is; is C are; are D are; is
Julie was good at German, French and Russian, all of ____ she spoke fluently.
| A．who | B．whom | C．which | D．that |
I know that _____ would over discourage him; he would never give up to be a director.
| A．something | B．anything | C．everything | D．nothing |
The players_________from the whole country are expected to bring us honor in this summer game.
| A．selecting | B．to select | C．selected | D．having selected |