[ Modal Verbs ]
All visitors ___ wash their hands before entering this room.
A. can
B. must
C. mustn’t
D. can’t

Random Topics:
Past Perfect Simple & Past Perfect Continuous-Ing and Infinitive Verb PatternsGrammar Like & Linking VerbGrammar - ConnectorsVerb TensesModal and Modal PerfectTypes of Simple SentencesAdjectives and DegreesComparative Adjectives and AdverbsState Verbs and Action VerbsOther quiz:
Grammar › ViewThe problem is I will ……..another day to revise grammar.
A. needs
B. to need
C. need
Vocabulary › View
If something is abundant, it is available in …. quantities.
A. small
B. decreasing
C. large
Pronoun › ViewThey will buy some foods, ….. foods are so delicious
A. him
B. they
C. their
D. theirs
Verb Patterns › View
The company is investing heavily in __________ advanced technology to stay competitive.
A. adopt
B. adopting
C. to adopt
D. adopted
