_____ is known to us all is that the old scientist, for _____ life was hard in the past, still works very hard in his eighties.
During the trip to Korea, _______ impressed me most is people’s great enthusiasm about studying Chinese language and culture.
He failed in the driving test again. He_____________.
This reading passage ____ two letters written to an aunt of a teenage magazine.
— Guess what? Alex was caught cheating in the exam. — I can’t believe that he _______ do such a thing! Everybody knows he is an honest boy.
Joe just wanted to play a joke on her . He did not mean ____ Sarah.