The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
The speaker _______ at the audience and then began to make his speech.
| A．glared | B．stared | C．glanced | D．looked |
I’m sure David will find the library—he has a pretty good ______ of direction.
| A．idea | B．sense | C．experience | D．feeling |
Then the crowd dismisses（散开）______, and I don’t know what’s up.
| A．all of a sudden | B．all of suddens | C．no more | D．more or less |
Whatever may happen, go on until you succeed, and you _______ what life is all about.
| A．will know | B．know | C．have known | D．will have known |
Blamed for breaking my promise, I felt my face ______ hot, and hung my head in shame.
| A．to grow | B．to be growing | C．grow | D．grown |