John is cooperating with Mary in writing an article.

John is cooperating with Mary in writing an article.A.working for B.working out

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Hercules was given many difficult tasks by the king.

Hercules was given many difficult tasks by the king.A.Right B.Wrong C.Not mentio

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He decided to give his son everything he owned after his de

He decided to give his son everything he owned after his death.A.gained B.had C

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_____________

_____________A.effect B.affect C.reflect D.perfect

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By referring to the artificial grammar, the author intends t

By referring to the artificial grammar, the author intends to show__________.A.

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