We don’t doubt ____ he’ll give us much help. _____ we doubt is _____ he’ll come on time
| A．whether, That, when | B．that, What, whether |
| C．whether, What, whether | D．that, Why, whether |
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We don’t doubt ____ he’ll give us much help. _____ we doubt is _____ he’ll come on time
| A．whether, That, when | B．that, What, whether |
| C．whether, What, whether | D．that, Why, whether |
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