[ Modal Verbs ]
All visitors _____ wear safety helmets in the construction area.
A. can
B. must
C. may
D. might

Random Topics:
V-ing/to-VGrammar - direct/indirect objectsQuantifiers & Modals of ObligationCommon Grammar Mistakes and Spelling TipsPresent simple & ContinuousAdverbial Clauses of Manner and ResultInfinitives and GerundsAdverb of TimeWish SentenceIf- ConditionalOther quiz:
Grammar › ViewThey are _____ some fascinating research on the language of dolphins.
A. carrying on
B. carrying out
C. finding out
Vocabulary & Grammar › View
“What did Jack say to you?”
‘ He asked _____________ Asia on my trip.’
A. if I was going to visit
B. whether am I going to visit
C. am I going to visit
D. was I going to visit
Countable and Uncountable Nouns › ViewThere are a large ____________ of dog lovers in my neighbourhood.
A. number
B. amount
Grammar › View
_____ you buy shoes?
A. Do
B. Does
