Most animals and plants are sensitive _______ sudden changes in temperature.
| A．for | B．with | C．to | D．in |
After graduating from college, I took some time off to go traveling, ____ turned out to be a wise decision.
A. that
B which
C. when
D．where
Ellen was painter of birds and of nature,_______ ,for some reason, had withdraw from all human society.
| A．which |
| B．who |
| C．where |
| D．whom |
We live in an age______ more Information available with greater ease than ever before.
A．why
B．when
C．to whom
D on which
It’s wise of you to________ smoking before you feel unwell.
| A．give up |
| B．give in |
| C．give out |
| D．give away |
He found it increasingly difficult to read, ______his eyesight was beginning to fail.
| A．though |
| B．for |
| C．but |
| D．so |