—Guess what？I came first in that contest.
—Great！You ________ a lot during the past two weeks.
| A．must practise | B．should practise |
| C．should have practised | D．must have practised |
The heavy snow lasted for a week, _____ serious traffic confusion in the whole area.
| A．causing | B．caused |
| C．having caused | D．being caused |
While studying, fix your mind on what is really important, or you will ______remembering nothing.
| A．pick up | B．take up | C．bring up | D．end up |
There are many beautiful mountains ______ in the south of China.
| A．are located | B．located | C．lies | D．lied |
The experts announced that anything _____ is good for the heart ____ good for the brain.
| A．that, being | B．what, being |
| C．that, is | D．which, is |
Film has a much shorter history, especially when _____ such art forms as music and painting.
| A．having compared with | B．comparing with |
| C．compare with | D．compared with |