[ Modal Verbs of Certainty and Possibility ]
They may _____ the stones in another area.
A. have found
B. found

Random Topics:
Frequency AdverbsGrammar Present Perfect (ever never)Verb Present Simple TenseVerb PatternsPresent Simple: affirmative, negative, interrogativeActive Voice-Present tensePresent Perfect ContinuousMust Vs Have toThings in EnglishTOEICOther quiz:
Grammar › ViewWe stayed at the Royal Hotel, …….Peter recommended to us.
A. that
B. which
C. where
D. whom
Vocabulary › View
fill the blank with the best answer.
Mr. Park greeted the ………. and ask him to sit on the sofa.
A. guest
B. luggage
C. kindness
Present Perfect › ViewAnna ______ (see) improvement in her eczema since she started using the special cream.
A. has seen
B. saw
C. is seeing
D. sees
Future Continuous Tense › View
Will she ………… dinner at 5 o’clock tomorrow?
A. is cooking
B. be cooking
C. was cooking
D. cooking
