The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck. 
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A
was
B
were
C
had been
D
would be
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 I don’t really work here; I ______ until the new secretary arrives.
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A
just help out
B
have just helped out
C
am just helping out
D
will just help out
I like soft and gentle music. It _______ nice.
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A
tastes
B
looks
C
sounds
D
feels