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

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Modals › ViewThis is a dangerous tour. Children……………… be accompanied by an adult.
A. shouldn’t
B. should
C. mustn’t
D. must
Toeic Verb › View
Sorry, James is not here. I think he ………….. ten minutes ago.
A. left
B. had left
C. was leaving
D. has left
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
