Rewrite these sentences, keeping the meaning unchanged

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Ex11. Rewrite these sentences, keeping the meaning unchanged :
1. They once started these machines by hand.
They used
2. My father doesn't work in this company any longer.
My father used
3. Mary doesn't spend as much money as she used to.
Mary used
4. Driving on the left makes me feel difficult.
I am not
5. Working until midnight doesn't bother me.
I am
TOBE USED TO + V-ING :QUEN LÀM GÌ
USED TO + V: CHỈ NHƯNG VIỆC LÀM TRƯỚC KIA TRONG QK, BÂY GIỜ KO LÀM NƯAX