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Complete each of the following sentences with the most likely answer.(20 points)
1£®Her devotion ______ the cause of education is a great encouragement to all of us.
A£®to                                                              B£®for
C£®by                                                             D£®in
2£®Susan prides herself ______ her ability to remain calm when trouble suddenly happens.
A£®of                                                              B£®with
C£®for                                                             D£®on