The girl ______ is reading under the tree _____my sister.
| A．which； is | B．whom； was |
| C．who； is | D．who； was |
We planned to climb the mountain today, but in such ________ bad weather, it seems out of ________ question.
| A．不填； the | B．不填； 不填 | C．a; a | D．a; the |
—Do you like classical music?
—________.I'm quite keen on jazz.
| A．It doesn't matter | B．My pleasure |
| C．Sure | D．Not really |
We have ______ the get-together until next weekend when we won’t be so busy.
| A．set off | B．put off | C．take off | D．set up |
I have always regretted ______ harder at school.
| A．not to study | B．to not study |
| C．having not studied | D．not having studied |
Your attention should be focused ______ your homework rather than TV programs.
| A．on | B．into | C．to | D．for |