She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.
. While teaching students, teachers should take into consideration _________ students develop at different rates.
. The reason ________ he referred to for his success is ________ he always working hard.
. A little learning is not dangerous so long as you know ________.
. A look at recent trends in world fisheries reveals ________ the ocean on a global scale.
. I really don’t see ________.