

1. They went on a trip to the mountain area last Sunday.
2. I am quite sure that she will not accept your invitation.
3. Peter is among the boys who can swim very well.
4. Do you happen to know the man standing at the back door.
5. They should have done their exercises at home instead of doing them right in class.
2. I am quite sure that she will not accept your invitation.
3. Peter is among the boys who can swim very well.
4. Do you happen to know the man standing at the back door.
5. They should have done their exercises at home instead of doing them right in class.