It was ___________ who helped us out of danger.—What brave and helpful children! We should learnfrom them.

In order to protect the environment，people are greatly encouraged to travel by public________.

Why are you so worried—I am waiting for a call from my daughter. She __________Sydney.

o friends are ________ related likethe lips and teeth, and you can often see them stay ________ together, hand inhand

don’t care whatever difficulty I will have _________ this survey.