[ Modal Verbs of Possibility ]
Someone is at the door. It ___ be the postman, but I’m not sure.
A. must
B. can’t
C. could
D. might not

Random Topics:
The Simple Present TenseIdiom and TensesReported Speech and Reporting VerbsPhrases & ClausesConditional and Mix Conditional SentenceHomophonesGrammar : can, could and be able toVerb Tenses and Sentence StructureCoordinating and Subordinating ConjunctionsGrammar - to beOther quiz:
Some vs. Any › ViewDo you have ___ idea what they are doing there?
a. some
b. any
Grammar › View
Choose the sentence that is written correctly:
A. Running in the wheel, I watched the hamster.
B. I watched the hamster running in the wheel.
Past Simple › ViewThey ______ their homework before dinner.
A. finish
B. finishing
C. finished
Simple Present Tense › View
Complete the sentence: ___________ you speak English? (Interrogative)
A. Are
B. Is
C. Does
D. Do
