When a pencil is partly in a glass of water, it looks as if it ____.
There is no hard evidence ____ aliens took Justin that night.
My mother suggested that she _____ me to the hospital, where I received good medical treatment.
Mr Ma is the person _____ we learned how to write with brushes.
The _______ boy made the police and his family _______.
He did not go to school yesterday ___________the heavy rain.