英语问题、简单

wash my face by myself
brush my teeth by myself
如果两个并列在一起的话
wash my face and brush my teeth all by myself

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I can't get used to wash my face and brush my teeth by myself.

I can't get used to

washing my face and brushing my teeth by my self.

或者。

washing my face and brushing my teeth on my own.

washing the face and brushing the teeth all by myself

I can not wash face and clean teeth myself.