[ Modals ]
I don’t like the sound of the engine. It … be a mechanical problem.
A. can’t
B. must
C. might
D. mustn’t

Random Topics:
Subject Verb Agreement and Coordinating ConjunctionsActive vs. Passive VoicePrepositions & Prepositional PhrasesAdverb Of Placetoo / enoughFuture SimpleModal Verb Gerund or To InfinitiveModals and VocabularyPast Perfect vs Past SimpleSimple Past TenseOther quiz:
Past Simple Tense › ViewLast night, Phong …………………………………. to music for two hours.
A. listenes
B. listening
C. listens
D. listened
Gerund › View
I’m pleased ……….you the first prize is yours
A. to tell
B. telling