[ Grammar ]
You _________ introduce me to Dr. Gray. We have already met.
A. couldn’t
B. needn’t
C. mustn’t
D. shouldn’t

Random Topics:
Adjective or AdverbPresent and Future TensesGrammar Comma UsagePerfect Tenses of VerbsGerund NounVerbs & AdverbsPrepositions of Time & PlaceConditional Sentences and Verb FormPresent Perfect and Present Perfect Progressive TensesNoun PhrasesOther quiz:
Perfect Tense › ViewI went to the box office at lunch-time, but they had already sold all the tickets.
A. past perfect tense
B. simple past tense
C. present perfect tense
D. past perfect continues
Grammar › View
We have enjoyed……….tonight.
A. us
B. me
C. ourselves
a, an, the, Zero Article › ViewCould you get … phone? I’m really busy.
A. a
B. an
C. the
Ving - To V › View
Minh is interested in ________ (listen) to music before _____ (go) to bed.
A. listen / go
B. to listen / to go
C. listening / going
D. to listen / going
