It’s high time we _____ effective _____ to improve your working conditions.

There are________to show that a new, different city is coming out of its dark past. 

Having completed our adventurous journey through the forest, we went back to our camping site, _______.

——Do you know the man wearing a pair of glasses?-------Yes.He’s a teacher of _________.He teaches _________history.

All of the flowers now raised here have developed from those _____ in the forest.