[ Modal Verbs ]
It express past ability, polite request, or possibility.
A. might
B. may
C. could
D. not

Random Topics:
Past Simple TensesFirst Conditional, Future Time ClausesPrepositions and ConjunctionsPast Tense & Past Continuous TenseTOEIC Grammar and Vocabulary ReviewCoordinating ConjunctionsWill & Be going toArticles with SubstancesComparative and SuperlativesPerfect ModalsOther quiz:
Vocabulary › ViewWhat is the meaning of the word ‘ephemeral’ based on the context ‘The beauty of the cherry blossoms is ephemeral’?
A. Short-lived or temporary
B. Everlasting
C. Enduring
D. Permanent
Grammar › View
The river __________ through the valley.
A. flow
B. flows
C. is flowing
D. has flowed
Grammar › ViewPersonnel has had all the references _________.
A. be checked
B. checking
C. checked
D. checks
Adjective, Adverb, and Noun Forms › View
What is the adjective form of “classify”?
A. Classification
B. Classify
C. Classified
D. Classifying
