Although I tried my best to convince them _____the importance and urgency of the operation, the doctors were not convinced _______ it immediately.
A. with; to perform B. of; doing C. on; to do D. of; to perform
Although I tried my best to convince them _____the importance and urgency of the operation, the doctors were not convinced _______ it immediately.
A. with; to perform B. of; doing C. on; to do D. of; to perform
D