Can you think of the best way ________ this problem?

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(武汉市2006)

--- This box is ________ heavy for me to carry. Can you help me?

--- No Problem.

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The teacher told me to hand in the homework and I did ________.

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He drinks________. He's got ________ money but not ________ friends.

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The boy was cutting a branch of a tree ________ a knife.

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Why not ________ your mother to shop with you?

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We don't know ________, perhaps in the afternoon.

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My brother often makes mistakes ________ grammar.

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It's important ________ the piano well.

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He got ________ “F” this term.

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