. Choose the sentence with correct perfect tense:
A. The birds had flown south before winter came.
B. The birds fly south now.
C. The birds are flying south.
D. The birds flew south yesterday.

Random Topics:
Continuous TensePresent Tenses: Simple vs ContinuousGrammar - QuantiflierAdverbial Clauses of Manner and ResultGrammar on ConditionalsRelative Clauses and etcThird ConditionalPreposition and Preposition PhraseConstrative ConjunctionPresent Tense vs Present ContinuousOther quiz:
Vocabulary › ViewWhat does “long suspected” mean?
A. To have believed something for a long time without proof
B. To have clear evidence about something
C. To make something from materials
D. To remember something clearly
Modal Verbs › View
. Mom, … I go to the cinema with my friends?
A. must
B. may
C. be able
D. have to
Personification › ViewWhich of these sentences contains personification?
A. Vines crept slowly up the sides of the birdhouse.
B. Slow-growing vines soon covered the sides of the birdhouse.
C. Vines were growing slowly next to the birdhouse.
Grammar › View
Choose the correct connector to complete the sentence.
We decided to walk ___________________ it was raining.
_____
A. even though
B. instead of
C. apart from
