Mr. Liu is very ______ with his students as he always tries to make his classes lively and interesting.
After some time in the dark cave, our eyes slowly _____ the dark.
Seldom out time to watch TV on Sunday.
Steven Hawking’s conclusion about the Black Hole is a little , but it has been accepted by most of the world.
_____ matters most in learning English is enough practice.
If I a quarrel with him yesterday, we together now.