. I could just see a car in the distance, but I couldn't _____ what color it was.
The first English novel _____ I read was “Gone with the Wind”.
I don’t like the way_____ he speaks to others.
My English has greatly improved , ______ I practice using it every day.
Your plan is far from satisfaction , so you must ______ more time and energy to it.
You should spend more time ______ the lessons.