The road is covered with snow. I can’t understand ________ they insist on going by motor-bike.
| A．why | B．whether | C．when | D．how |
_____ writer, she is excellent, _____ teacher she is not very good.
| A．As; but as | B．As; and as | C．As a ; but as a | D．As a; and as a |
_____, the population of China is the largest in the world.
| A．It is known that | B．As is well known |
| C．Which is well known | D．We all know that |
_____，I can’t express myself in words.
| A．So long as I am fond of | B．Now that I am fond of |
| C．Much as I am fond of her | D．As I am fond of very much |
She had golden hair when she was a child, but_________ she got older and older, her hair went darker and darker.
| A．while | B．when | C．after | D．as |
Not until Dec. 2003 _____ caught by the US soldiers, and it was a great victory for the USA.
A. was Saddam HusseinB. Saddam Hussein was
C. had Saddam Hussein beenD. Saddam Hussein had been