Tom is good at maths, so I think he is the student ____can help you to work out this problem.
The parade went_______ the streets to celebrate the traditional festival.
When _______cruel man was hurting the children, there were no adults around who were able to stop______ hurting.
His invention ______ of no use by the scientists of that time.
---I hear John refused to tell the truth and was taken away by the police. --- Where did you _______?
---Are all telephone numbers_______ in the directory? --- Yes, all ________ Jane’s.