_________(63)A.by mistake B.by accidentC.in turn

_______in the office had a mistake, and the firm ？

Our sleep influences our mood. Our mood ________, affects our performance.A: by turn

The quantity of oil injected into the cylinder can be regulated _____.A.by turning the pum

Its very likely that you will make mistakes in foreign countries______.A．by following the

He was criticized ________ his mistakes.A、onB、withC、ofD、for

She is very careful. She______very few mistakes