each of the following sentences contains one error underline and correct it
1 We won't get to the airport in least than 30 minutes .......................
2 your grandfather and i are delighting that you passed your english exam .................
3 people use first -aid in order for ease the victim's pain and anxiety .................
4 we believe that she feels very badly about her mistake ......................
5 the big present is warapped in red paperd is five dollars ..................
6 he has waited there for a quarter past six ..........................
7 surface mail is many cheaper than air mail ....................
8 they do their best to keeping the family happy ..................
9 the armchair is in the living room among the television and sofa .................
10 tourists usually have a bus to the countryside .....................