The couple are spending their holiday on __is described as one of the most beautiful islands .
| A．that | B．what | C．which | D．where |
I can not think where I’ve left my umbrella; my mind’s completely ________!
| A．blank | B．empty | C．vacant | D．mess |
Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
| A．what | B．how | C．which | D．where |
Both she and her friends liked travelling. She traveled a great deal, ________.
| A．nor did most of her friends | B．did as most of her friends |
| C．as did most of her friends | D．so do most of her friends |
The vocabulary and grammatical differences between British and American English are so slight and few as hardly ________.
| A．to notice | B．being noticed | C．noticed | D．to be noticed |
We would like to thank the founder of our library, without ________ help none of this would have been possible.
| A．which | B．whom | C．whose | D．that |