题目内容

The son who ran away from his home without telling anyone came back suddenly last month, and until then his family __________ from him for six months.

A. . didn’t hear
B. . hasn’t heard
C. . hadn’t heard
D. . haven’t heard

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Even though they were in danger, they did not find __________ to prepare for the worst conditions they might meet.

A. . worth their while
B. . it worth
C. . it worthwhile
D. . it worthy

____________ for more than 20 years, Chinese tourism has become the dragon business of the third industry of our country.

A. . Being developed
B. . Having developed
C. . Developing
D. . Having been developed

For me, this is an extraordinary opportunity, for these days not one visitor in five hundred ____________ to witness the ceremony I’m about to see.

A. . privileged
B. . privilege
C. . is privileged
D. . is privileging

But as the ice disappears, those making a living from tourism _________ becoming very worried.

A. . is
B. . are
C. . was
D. . were