[ Modal Verbs ]
I ________ finish my homework before I can go out to play.
A. have to
B. should
C. ought to
D. must

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Grammar › ViewHe needs ___________ his mother immediately.
A. to call
B. call
C. calls
D. called
Grammar - Countable/ Uncountable › View
How _____ hot dogs are there?
A. much
B. many
C. a lot of