[ Present Perfect ]
Luis ______ (experience) any side effects from the new diabetes medication.
A. has not experienced
B. did not experience
C. has experienced
D. experiences
Select your answer:

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Subject Verb Agreement › ViewA mother wolf spider with 50 babies on her back _____ still able to run quickly.
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The polar ice caps ________ are melting at an alarming rate contribute to the rise in sea levels.
A. who
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