Theirmarketingplanisbased()astudyofcustomerneeds.
A. out
B. on
C. with
D. in
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Mothersarewellknown()consideringtheneedsofthefamilymoreimportantthantheirowninterests.
A. of
B. for
C. off
D. on
Thefactoryclosed()andshelostherjob.
A. up
B. down
C. on
D. at
Itisunnecessaryforthosewhostudyhardtoconsiderthe()offailingtheexam.
A. danger
B. warning
C. surprise
D. possibility
Thefireresulted()manydeaths.
A. in
B. at
C. on
D. back