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_____ lakes are usually cleaner than rivers.
A. the
B. a
C. an
D. none

Random Topics:
was werePre-intermediatePassive to ActiveConditional ClauseRelative & ModalsPerfect and Past TenseDependent ClausesMesopotamia VocabularyClauses and ConjunctionAll, Both, Neither, None, EitherOther quiz:
Simple Tenses › ViewWhere ___ the package been sent?
A. has
B. is
C. are
D. was
Grammar › View
We never know what might have happened, … the email earlier
A. If he sent
B. If he has sent
C. Had he sent
D. did he send
Present Perfect › ViewHave you ______ played golf ?
A. never
B. always
C. seen
D. ever
Vocabulary › View
Choose the word that completes: “The _ rain caught everyone by surprise.”
A. sudden
B. unexpected
C. intense
D. heavy
