[ Grammar ]
Many birds always _____ south every winter.
A. fly
B. flew
C. are flying
D. will fly

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SubjunctivesCountable & Uncountable NounsPhrase vs ClausePast Perfect Simple TenseWh-QuestionIELTS VocabularyCausative VerbAdverb of FrequencyPronouns and Subject Verb AgreementAdjectives, ING - EDOther quiz:
Tenses › ViewWe have been studying English since 8 A.M.
A. Simple Present Tense
B. Simple Past Tense
C. Present Perfect Tense
D. Present Perfect Continuous Tense
Conditional Sentence Type 3 › View
If you … about personal financial planning, you could’ve spent your money wisely.
- had known
- had knew
Grammar › View
_____________ are you late? Because of the traffic.
A. which
B. whose
C. Why
D. How
Modals with Perfect Infinitive › View
I don’t know where they went but they ___ have gone to Paris or Marseille.
A. must
B. should
C. might
D. need to