[ Modal Verb ]
“Have you seen John?” “No. But he _________ be studying in the library.
A. may
B. will
C. must
D. need
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Vocabulary & Grammar › ViewMartin Luther King devoted his life to the ________ of voting right for black people.
A. effort
B. realization
C. achievement
D. performance
Grammar › View
Do you like _________ jacket?
A. this
B. these
General Quiz › ViewWho invented the bicycle?
A. MacDonald
B. Macmillan
Conjunctions › View
We cannot travel to other countries _____ they have lifted the travel ban.
A. because
B. until
C. neither
D. since