CORRECT THE MISTAKES
1 . the children were very interestingin what the teacher was saying
2. Maryh is waiting for her husband in the departure lounge for a long time
3.I haven't seen my friend since a quarter of a year
4.A new shop was opening on Main Street last year
1 . the children were very interesting=> interested in what the teacher was saying
2. Maryh is=> has been waiting for her husband in the departure lounge for a long time
3.I haven't seen my friend since=> for a quarter of a year
4.A new shop was opening=> opened on Main Street last year