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Concord
Question:
Great pains ____ been taken to repair the engine perfectly
A
has
B
was
C
were
D
have
Answer:
D. have
Related Questions:
Either the parents or the boy ____ in this affair.
There ______ plenty of opportunities for the talented people.
Plants _____ more quickly in summer than in winter.
The board .......... to make the decision by next Thursday.
A good deal of information ..... been collected.
