[ Modal Verbs in Emergency Situations ]
If you see smoke, you ______ investigate it alone.
A. should
B. need to
C. must
D. must not

Random Topics:
Adverb of FrequencyCompound and Complex SentencesAdverbial ClausesGrammar : Must (Necessity)Gerunds and TensesPresent Simple or Present ContinuousGrammar - Future ActionWas & Were QuestionsDirect Object and Indirect ObjectPresent Perfect or Past SimpleOther quiz:
Relative Clauses › ViewIt is difficult to predict____will happen politically if Turkey is refused entry to the EU.
A. how
B. which
C. when
D. what
E. that
Comparative and Superlative Adverbs › View
Which is the superlative adverb of “high”?
A. most high
B. highest
C. higher
Grammar › ViewI didn’t receive the email because he ______ in the wrong address.
A. write
B. had written
C. was writing
D. could have wrote
Modals of Necessity and Suggestion › View
You (5) _____________ just wait for your turn to speak. That isn’t a conversation, that’s just talking to yourself!
A. shouldn’t
B. don’t have to
C. ought to
D. had better
