It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
| A．symptom | B．similarity | C．sample | D．shadow |
The fact that many college graduates get lower salary than some workers has ________ an online debate.
| A．turn down | B．turn off |
| C．set down | D．set off |
Prices of the houses in Quanzhou are quite high, while those in Xiamen are ________.
| A．more than twice as higher |
| B．as more than twice higher |
| C．as twice more than high |
| D．more than twice as high |
He must have been ill, or he ________ to the lecture then.
| A．would come | B．would have come |
| C．came | D．had come |
Fitness is important in sport, but of at least ________ importance are skills.
| A．fair | B．reasonable |
| C．equal | D．proper |
Wallace Chung can sing, dance and act as well. This is ________ he has appealed to his fans for nearly 20 years.
| A．why | B．because | C．that | D．how |