[ 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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Phrasal Verb › ViewEating green vegetables ………… essential ……….. your good health.
A. is, for
B. are, for
C. is, in
D. are, in
Modals of Obligation › View
Complete the sentences with the correct form of the modals and verbs in parentheses:
She ___________ (have / wear) a uniform for work. She wears her own clothes.
A. hasn’t to wear
B. doesn’t have to wear
C. don’t have to wear
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
