[ Grammar ]
The level of the water is still low! You ____ switch on the pump immediately
A. can
B. must not
C. will not

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Articles › ViewShe will come back in __________ hour.
A. a
B. an
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Tenses › View
Choose the correct tense for the following sentence: ‘I am reading a book right now.’
A. Present simple tense
B. Past simple tense
C. Future continuous tense
D. Present continuous tense
