Tonny’s parents thought he was at school，but________he was in a net bar.

 I think it was a bit boring to work here because there wasn’t always      much to do.

As is known to all language learners, the newly learnt words will soon be forgotten unless ______ used in everyday communication.

The task is too much for him, so he can’t continue ______any longer. He must get some help.

--- The earthquake last night was really terrible. --- ______, no people were injured or killed, and they escaped in time.