Choose the correct Pinyin:

ta ( 1st tone)

• tá

• tā

• tà

• ťa

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sao ( 3rd tone)

• šao

• sāo

• sǎo

• saō 

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kou ( 4th tone)

• kòu

• koù

• koú

• kóu 

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bao ( 3rd tone)

• báo

• bǎo

• baō

• baǒ

Choose the correct Pinyin:

tu ( 2nd tone)

• tù

• tǔ

• tǘ

• tú

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liu ( 4th tone)

• líu

• lìu

• liú

• liù

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shui ( 3rd tone)

• shǚi

• sȟui

• shuǐ

•  shǔi

Choose the correct Pinyin:

die ( 2nd tone)

• dié

• díe

• diě

• dìe