Fill in the blanks with the proper propositions. Look!The baby can walk himself.
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Fill in the blanks with the proper propositions.
(用适当的介词填空。)
Look!The baby can walk ________ himself.
试题答案
答案:by

Fill in the blanks with the proper propositions.
(用适当的介词填空。)
Look!The baby can walk ________ himself.
答案:by