[ Grammar ]
Why ___ he so angry?
a. was
b. were

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Demonstrative Pronouns and Verb Tenses › ViewWe ____ in a small town.
A. lives
B. live
C. living
D. are live
Tenses › View
Colombus __________ America in 1492.
A. discovers
B. discovered
C. was discovering
D. was discovered
Future Tense › ViewA: Jimmy, be careful! The cooker is still very hot. You _____ burn your hand.
B: OK, Mum!
A. will
B. won’t
C. shall
D. am
Grammar › View
Many materials have been used for _____ teeth, including wood.
A. artificial
B. fake
C. false