[ Modal Verb ]
I put my keys on the table, but now it’s gone. Someone_____ have taken it.
A. may
B. had to
C. should
D. would rather

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Present Perfect or Past Simple TenseGrammar (Adjectives)SynonymsAlong & AgainstPresent/Past/Future Continuous TenseGrammar & TensesHave to/Has toPast Tense, Recount Text, and Future TenseSentence Structure and Pronoun AntecedentActive and Passive voiceOther quiz:
Grammar › ViewTeacher: ‘You _____ arrive on time for class.’
A. have to
B. didn’t have to
C. don’t have to
D. had to
Vocabulary › View
We were ___________ to find a rat in our hotel room.
A. unpleasant
B. useless
C. pure
D. shocked
Tenses › ViewI’ll return Bob’s pen to him the next time I ……………… him.
A. see
B. will see
C. will have seen
D. have seen
Grammar › View
Kamal is wearing a cap. The cap is __________.
A. mine
B. his
C. hers