Humanknowledgehasgreatly___inthelast30yearswhichenablespeopletoachievemoreandlivemorecomfortably.
A. enlarged
B. expanded
C. enhanced
D. amplified
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Please___aradiosignal.
A. amplified
B. expanded
C. enhanced
D. enlarged
Therepublicationofthepoet’smostrecentworkswillcertainly___hisnationalreputation.
A. magnify
B. expand
C. enhance
D. amplify
Peopleoftenusealoudspeakerto___thevoice.
A. develop
B. enlarge
C. magnify
D. widen
Wemust___ourviewsbyreading.
A. amplify
B. magnify
C. enhance
D. enlarge