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單項選擇題

Most parents encourage their children to take an active part in social events,（）those events do not interfere with their studies.

A.lest
B.though
C.unless
D.provided

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單項選擇題

Dogs are often praised for their（）they almost never abandon their masters.

A.faith
B.loyalty
C.trust
D.truthfulness

單項選擇題

We（）the cook because her cooking was so poor.

A.dismissed
B.deserted
C.resigned
D.withdrew