They soon ______ doing the same thing day after day, and finally gave up.
It was on a lonely island he was found alive after the accident.
______ an accurate map, you might not get lost in the forest.
The teacher explained a second time, the students should have difficulty in doing the experiment.
The damaged building , so the people will have to look for other places to shelter themselves from the cold.
---How did the warm-hearted lady find you and return your lost bag? ---She said that she my bag on the bench with my name card in it.