-How do you like our restaurant?-I couldn’t have found a ________ one.
--- How old are you, madam?--- If you _______ know, I’m twice my son’s age.
Gradually, you will realize that the things that matter are __________ that can’t be bought with money.
______ the students were hearing the exciting news!
You can use a large plastics bottle, _________ cut off, as a plot to grow flowers in.
_____ his homework in time, he had to stay up late into the night.