[ Verb Usage and Grammar ]
What is the correct structure to use with ‘keep’?
A. Keep to do
B. Keep doing
C. Keep to doing
D. Keep do

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Grammar › ViewJ. K. Rowling ____________ used to be a poor single mother, has become very famous and rich thanks to her Harry Potter novels.
A. that
B. who
C. , who
D. , that
Gerunds/Infinitives › View
Do you enjoy ___ wildlife documentaries on TV?
A. watching
B. to watch
Vocabulary › Viewrights that belong to all individuals
A. Gross Domestic Product (GDP)
B. renewable resources
C. human rights
D. free trade
Vocabulary › View
What does “commonplace” mean?
A. Related to a nearby place
B. Very cozy
C. Very normal
D. A place where people like to be normal
