3.They __________ the developed countries to commit more money to protecting the environment.
A. called on
B. sumed up
C. in need
D. shielded from
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4.We will continue to care for those __________ and work to establish a society that is generous and prosperous.
A. count on
B. make sense of
C. reserve for
D. in need
5.Many people __________ careers and raising kids so that they forget that their marriages also need to be taken good care of.
A. call on
B. sum up
C. relate to
D. are caught up in
6.My most favorite program is the one that deals with scientific subjects that ordinary people can ______.
A. call on
B. sum up
C. relate to
D. shield from
7.Finally, I would like to __________ by saying that it has been a tremendous pleasure to work with you all.
A. call on
B. sum up
C. relate to
D. are caught up in