Within the last year, scientists have come closer than ever .
| A．to deciding which of the questions is right |
| B．to decide which of the questions is right |
| C．deciding whether the question is right or not |
| D．and decided which of the questions is right |
On this happy occasion, I'd like to say that we are _____ much obliged to you for your kind cooperation.
| A．even so | B．ever so | C．as yet | D．so far |
The car was completely _____ and the driver seriously injured.
| A．broken off | B．taken off | C．written off | D．picked up |
What is most obvious in this book are all those details of daily living which make Mrs. Richard _____ common.
| A．nothing but | B．anything but | C．above all | D．rather than |
The firemen managed to _____ the fire in time.
| A．extinguish | B．prevent | C．suppress | D．ruin |
It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |