The most impressive sites of Chishui Danxia are its various waterfalls, ________ the Shizhang Waterfall is the largest one.
| A．for which | B．in which |
| C．from which | D．of which |
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 |