[ 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:
Vocabulary › ViewWhat does ‘ ultimate’ mean? (adjective)
A. To improve or become better
B. To make something worse
C. the most extreme example of its kind
D. A place where a particular group of people gather and relax
Grammar › View
Why ___ ? — I was cutting onions.
A. you cry
B. are you crying
C. you crying
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