[ Grammar ]
The flock of birds __________ south for the winter.
A. fly
B. flies
C. flew
D. have flown

Random Topics:
TensesVerb AgreementDegrees of ComparisonActive-Passive VoicesSimple Present Tense vs Present Continuous Tensetake, make, doActive & PassiveParts of Speech and GrammarModals of AdviceUnreal Uses of Past TensesOther quiz:
Grammar › ViewSentence/Fragment: The paper on the desk fell to the floor.
A. Sentence
B. Fragment
Grammar › View
A: Are your parents at home right now?
B: No, they’re ………… at the gym.
A. both
B. all
C. every
D. none
Past simple - Irregular Verbs › ViewThe children ___________ in the sea last holidays.
A. swum
B. swam
C. swimmed
Grammar › View
I ________ him the email. I promise!
A. will send
B. am going to send
C. will be sending
D. will have sent
