单项选择题


A．provides
B．gives
C．affords
D．prepares
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单项选择题
A．frequentlyB．continuouslyC．repeatedlyD．constantly
A．frequently
B．continuously
C．repeatedly
D．constantly
单项选择题
A．were boredB．boredC．were boringD．were to bore
A．were bored
B．bored
C．were boring
D．were to bore
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