The math problem seems very easy, but in fact it is very difficult_______.
A. to work out B. being worked out C. working out D. to be worked out.
-----What did you think of Mount Tai?
------Wonderful. It’s worth ______once again.
A. being visited B. to visit C. visiting D. visited
In the past twenty years, the sad father has been to many places-______his lost son.
A. in face of B. in favor of C. in charge of D. in search of
—Isn’t that Ann’s husband over there?
—No, it ______ be him-I’m sure he doesn’t wear glasses.
A. can’t B. must not C. won’t D. may not
The government tried its best to _____ the people’s needs, but the people were still not_______. In fact, what the government did was not________.
A. satisfy; satisfied; satisfying B. satisfy; satisfying; satisfied
C. satisfied; satisfied; satisfying D. satisfying; satisfied; satisfied
After the class was over，Li Ping apologized ________ the teacher ________ his coming late.
A．for; to B．because; to C．to; because D．to; for
