问题描述：
将下列动词原形变成过去式,并注出词尾-（e)d的读音：
例：look looded (t )
pack (packed) (t) start (started) (id)
seem ( seemed ) (id) miss (missed) (id)
study (studied) (id) decide (decided) (id)
help (helped) (t) order (ordered) (id)
例：look looded (t )
pack (packed) (t) start (started) (id)
seem ( seemed ) (id) miss (missed) (id)
study (studied) (id) decide (decided) (id)
help (helped) (t) order (ordered) (id)
问题解答：
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