The time he has devoted ______ the disabled is now considered ________ of great value.
| A．to help; being | B．to helping; to be |
| C．to help; to be | D．helping; being |
_________ is known to everybody that the moon travels around the earth once every month.
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I go to see a film _________ .
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There’s no doubt _________ our team will beat yours.
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He asked _______.
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. Fortunately we had a map, without we would have got lost.
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