[ Modals ]
We __________ drop litter on beaches. It pollutes them.
A. mustn’t
B. can
C. should
D. must

Random Topics:
3rd Person SingularComparison and ModalsAdverbs of How Something is DoneExpressing Obligation and ModalsPreference & Future TenseParallel Structure or Combining SentencesModal Auxiliary VerbsLinking VerbSimple Past Tense and Present Continuous TenseAdverbs of TimeOther quiz:
Articles › ViewWhenever I set out for ____ examination, I always try to avoid crossing ____ path of ____ woman.
A. an – the – a
B. an – a – the
C. an – the – the
D. the – the – a
Phrasal Verb Put & Go › View
He ______his cigarette before getting on the bus.
A. put out
B. put off
C. put through
D. put away
Grammar › ViewI haven’t seen Tom ___________________ two years.
A. since
B. just
C. for
D. already
Present/Future/Past Simple/Present Perfect › View
Pasteur _____ in the 19th century.
A. A. was living
B. B. lived
C. C. had lived
D. D. has lived
