题目内容

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

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