★ Gerunds and Infinitives
As doctors continue (search) _______ for a cure for the common cold, they have found some things that make people more vulnerable to catching a cold.
A. to search
B. searching
C. to search
D. “to search” and “searching”
Preview next quiz:
(Eat) ______ vegetables and (exercise)______ are excellent ways to stay healthy.
A. Eating/to exercise
B. To eat/to exercise
C. Eating/exercising
D. To eat/exercising
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