1.I can finish the job with(by) myself.
2.I had to took(take) a taxi last night.
3.You needn't to(-) write it down.
4.Who's that beside to(-) her?
5.I think she is forty (+at) least.
6.She was a sixteen-years old(sixteen-year-old) girl at that moment.
7.Isn't he her the(-) second husband?
8.Where (+do) you think you are?
9.The blue car is moving at 70 miles a(an) hour.
10.This is my drive(driver's) licence and that is yours.