A tiger in its ___ is more dangerous than three tigers in the open.
a. lair
b. layer

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Question tag and + - AgreementPresent and Future TensesGrammar: SyntaxSubject and Verbs AgreementGrammar and EssayPast TensesGerund and InfinitivePreposition of PlaceGrammar and Verb TensesQuantifiers & Modal VerbsOther quiz:
Grammar & Vocabulary › ViewMany children enjoy _____ modern devices nowadays.
A. to use
B. using
C. use
D. used
Grammar › View
Identify the noun clause in the following sentence: I have been wondering whether life is not just a whimsical game.
A. I have been wondering
B. Whether
C. Just a whimsical game
D. Whether life is not just a whimsical game
This is an invisible wave that moves light
A. Reflect
B. Sound wave
C. Light wave
Modals › View
Mary should have done her homework last night instead of watching television.
A. Mary did her homework instead of watching television last night.
B. Mary didn’t watch television and do her homework last night.
C. Mary watched television and did her homework last night.
D. Mary watched television and didn’t do her homework last night.