[ Modal Verbs ]
. You ___ park here; it’s against the rules.
A. can
B. could
C. able to
D. mustn’t

Random Topics:
Simple Present VS Present ContinuousQuestion TagPersonal & Possessive PronounsSpeculation with Modal Verbsand, so, but, becausePast and Present Continuous tensePast Perfect Tense and Past TenseDEGREE COMPARISONTenses and Time MarkersMiscellaneous Grammar UsagesOther quiz:
Grammar Clauses › ViewFactories allow these dangerous substances to pour into the rivers, ___ their chimneys fill the atmosphere with poisonous fumes.
A. while
B. where
C. although
D. so that
Grammar › View
I __________________ a student for five years. (be)
A. I have been a student for five years.
B. I has been a student for five years.
C. I have be a student for five years.
D. I have was a student for five years.