[ Grammar ]
The scientists ____________ the cause of the problem. (not/understand)
A. not under stand
B. do not understand
Select your answer:

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Quantifiers › ViewDid you find out very ______information about the college?
A. many
B. much
C. any
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My friend says: “You ………… drink champagne. You can have a coke or fruit juice instead.
A. should
B. don’t have to
C. must
D. ought to
