A. service B. expense C. cost D. mercy
A. will have risen B. has risen C. will be rising D. has been rising
A. When B. No sooner C. Until D. While
A. to the place needed B. there it is needed
C. where it is needed D. which it is needed
A. produce B. produces C. had produced D. have produced
A. practice B. practical C. practiced D. practicable
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