[ Modals ]
Which modal verb is used to indicate an ability that existed in the past?
A. might
B. should
C. could
D. would
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Grammar › ViewThe ozone layer is an invisible layer of protection around the planet that protects us ____ the sun’s harmful rays.
A. away with
B. from
C. under
D. out of
Grammar › View
To persuade somebody NOT to do something
A. Contention
B. Benevolent
C. Discrepancy
D. Dissuade