[ Adverbs, Modals, Preposition of time ]
_________ , they heard the sound of someone coming up the stairs.
A. Sudden
B. Suddenly

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Adjective Order › ViewI saw an …. with friends at home.
A. interesting old american movie
B. movie interesting old american
C. american interesting old movie
D. movie american old interesting
If Conditional Zero and One › View
Ask the teacher if you _____
A. doesn’t understand
B. don’t understand
C. will not understand
