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  • During the initial phase of the pandemic, a doctor was able to diagnose the problem …, but the therapy wasn’t clear.
Question 1:
During the initial phase of the pandemic, a doctor was able to diagnose the problem …, but the therapy wasn’t clear.
A. perfectly
B. perfect
C. perfection

These questions are from this test. Would you like to take a practice test?

Practice Quiz 31 | B2 – Upper-Intermediate