“Did you hear someone knocking at the door?” “Yes, I did. I heard him______three times.”[ ]

It was really helpful ______ him to take the cat to the animal centre _______ a rainy night.

It is important that we _____ wildanimals

We thought there were 35 students in the dining hall, ______, in fact, there were 40

Half an hour has been made full ______ of _____ the problem