用could，以提建议方式询问并回答问题．

Where shall we go for our holidays?(to Scotland)

What shall we have for dinner tonight?(fish)

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用could，以提建议方式询问并回答问题．

Where shall we go for our holidays?(to Scotland)

What shall I give Ann for her birthday?(a book)

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用could，以提建议方式询问并回答问题．

Where shall we go for our holidays?(to Scotland)

When shall I phone Angela?(now)

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用could，以提建议方式询问并回答问题．

Where shall we go for our holidays?(to Scotland)

When shall we go and see Tom?(on Friday)

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用could，以提建议方式询问并回答问题．

Where shall we go for our holidays?(to Scotland)

Where shall we hang this picture?(in the kitchen)

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