----Is Tony the student awarded at the graduation ceremony in your class? ----There is ______ Tony, but I’m afraid he isn’t ______ one you mentioned.
The math problem seems very easy, but in fact it is very difficult_______.
-----What did you think of Mount Tai? ------Wonderful. It’s worth ______once again.
In the past twenty years, the sad father has been to many places-______his lost son.
—Isn’t that Ann’s husband over there? —No, it ______ be him-I’m sure he doesn’t wear glasses.
The government tried its best to _____ the people’s needs, but the people were still not_______. In fact, what the government did was not________.