When we start gazing into the night sky with a telescope, soon we’ll be astonished by the realization _______ we and our world are part of this giant system.
A. which B. whether C. that D. as
Karaoke, which was invented by the Japanese, ______ both wonders and problems.
A. has been produced B. was produced C. produced D. has produced
European football is played in about 80 countries, _____ it the most popular sport in the world.
A. making B. made C. to make D. makes
Obama didn’t explain ______ any larger principles have guided him through the historic convulsions of the 2011 Arab Spring.
A. what B. that C. where D. whether
I feel it a great honor ______ to give a speech here.
A. to be asked B. to have asked C. being asked D. to ask
This is the first time that your parents have been abroad, ______?
A. haven’t they B. hasn’t it C. aren’t they D. isn’t it
