Parents should take seriously their children's requests for sunglasses ____eye protection is necessary in sunny weather.
A because B. though C. unless D. if
Across the Yangtze River ______ more than one bridge, the Nanjing Changjiang Bridge being the first one.
| A．lay | B．lie | C．lies | D．laid |
He didn’t make ______ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
I don’t like people who try to _______ you with how much money they’ve got.
| A．impress | B．show | C．press | D．strengthen |
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
Long long time ago, there was a mountain. At the top of the mountain___________, in which an old monk used to tell stories.
| A．a temple stood | B．is there a temple | C．stood a temple | D．a temple was there |