[ 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:
Preposition › ViewEvery one of us will have to atone _____his or her misdeeds.
A. Of
B. For
C. By
D. With
Quantifiers: too many, too much & enough › View
I am really full… I ate ___ food
A. too many
B. too much
C. very
D. enough
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