一道英语连词成句 I by had go work to bus because car was my repair under 明天要用~

I go work by bus because my car has been repaired

I had go to work by bus because my car was under repair.

I had to go to work by bus beacuse my car was under repair.

I had to go to work by bus because my car was under repair.
我必须坐公交车去上班，因为我的车在修理中。

I had to go to work by bus because my car was under repair.
少给了一个to