[ Grammar ]
Chọn cấu trúc đúng khi muốn nói: hành động đã xảy ra (nhưng không cần thiết)
A. needn’t + have PII
B. shouldn’t + have PII
C. Mustn’t + have PII

Random Topics:
TOEFL GrammarTo Infinitive or GerundPresent Simple with Adverbs of FrequencyPronouns and QuantifiersAdjectiveModals Of SpeculationFigurative Language VocabularySo - Too - Either - NeitherGrammar and PrepositionsInversion + Passive VoiceOther quiz:
Adjective › ViewThe students are _____ in learning more about the subject.
a.interesting
b.interested
Modal Verbs & Reflexive Pronouns › View
We — buy you this toy because you behaved badly.
A. mustn’t
B. can’t
C. don’t have to
D. haven’t to
Past Tense › ViewA woodcutter (hears) __________________
A. shouted
B. rushed
C. killed
D. was
E. heard
Future Perfect vs Future Continuous › View
When we arrive in Los Angeles we’ll need to rest, because we _______ (drive) about 800 miles.
A. will be driving
B. will have driven
