题文
—What ______ you ______？—I _______ the dishes.
| A．are，doing，am doing | B．are，do，do |
| C．do，do，am doing | D．are，doing，do |
—What ______ you ______？—I _______ the dishes.
| A．are，doing，am doing | B．are，do，do |
| C．do，do，am doing | D．are，doing，do |
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