[ Modals ]
He ___ have forgotten to send the email.
A. might
B. must not
C. shall
D. could not

Random Topics:
Past Continues TenseIndefinite and Reflexive PronounsPresent Simple VS ContinuousGrammar - may/might/couldAdjectives with -ED and -INGGrammar and SyntaxGrammar - too & enoughModal Verbs and ConjunctionsPresent, Past, and Future TimeArgumentative VocabularyOther quiz:
Vocabulary and Grammar › ViewThe new metro system is very __________ for daily commuters.
A. inconvenient
B. difficult
C. convenient
D. unreliable
General Knowledge › View
Which city ranks as the world’s most populous city (2002)?
A. New York (US)
B. Mexico City (Mexico)
C. Tokyo (Japan)
D. Shanghai (China)
Lan _______ at the factory long when he was made a manager.
A. hadn’t been working
B. wasn’t working
C. didn’t work
D. wasn’t worked
Grammar and Vocabulary › View
Chaul Chnam Thmey is ……………… celebration of New Year by Khmers
A. a
B. an
C. the
