It seems that living green is ______ easy and cheap. A small step can be rewarded with long-term benefits.
A. astonishingly B. exactly C. fortunately D. hardly
What impressed me in Greece was that the oceans _______ the islands were deep blue and many cities lay on the bay.
A. surrounding B. being surrounded C. surrounded D. surround
Researches show that the taller you are, the more _______ you are to suffer back pain.
A. likely B. possible C. perhaps D. probable
One way to ______ species under threat of extinction is to remove them to zoos and parks and feed them there.
A. reserve B. prevent C. preserve D. reduce
According to the statistics, listening to loud music at rock concerts ______ hearing loss in some teenagers in the past 2 decades.
A. have caused B. caused C. had caused D. has caused
__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.
A. Not heard from B. Having not heard from
C. Not to hear from D. Not having heard from
