[ 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

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TOEFL GrammarTo Infinitive or GerundPresent Simple with Adverbs of FrequencyPronouns and QuantifiersAdjectiveModals Of SpeculationFigurative Language VocabularySo - Too - Either - NeitherGrammar and PrepositionsInversion + Passive VoiceOther quiz:
Grammar › ViewHoa is ________. She always finishes her homework on time.
A. active
B. hard -working
C. clever
D. shy
Homonyms › View
She was ___ to start singing with no warning.
a. want
b. wont
A 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