[ Grammar ]
Their wings act as flippers in the chilly water.
A. compound sentence
B. not a compound sentence

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Present Perfect vs Past SimpleVocab CheckingIndependent and Dependent ClausesGrammar & ReadingConjunctions and PrepositionMust or Mus notGerunds as Objects of PrepositionsSecond and Third ConditionalPast Simple vs Present SimpleVerbs & AdverbsOther quiz:
Preposition › ViewI have breakfast___ 9.
A. at
B. on
C. in
D. under
Homonyms › View
Mother ___ whenever I ask her to do something.
a. sighs
b. size
You can take my car _______ you drive carefully.
A. as long as
B. but
C. also
D. when
Grammar › View
He ran as fast as his legs could ….
A. Will carry
B. Carries
C. Carry
D. Carried
