Pleaseusinthediscussion.I’dlik

--- Please _______ us in the discussion.
--- I’d like to, but I’m _______ busy at present.

A．attend；too	B．take part in；much
C．join；much too	D．join in；too much

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A．price

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B．in that

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A．equipped	B．had equipped
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This new teaching approach is specially ______ to develop children’s problem-solving skills.

A．designed

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