in [in]
例句1, The book is in the bag.
例句2, She found her keys in the drawer.
on [ɔn, ɔ:n, ən, n]
例句1, The book is on the table.
例句2, We will meet on Monday.
under [‘ʌndə]
例句1, The cat is sleeping under the table.
例句2, She found her lost p
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