---Have you seen ____ pen ? I left it here this morning .
---Is it _____ black one ? I think I saw it somewhere.
| A．a; a | B．a; the | C．the; a | D．the; the |
If you don't know the word, you can _____ in the dictionary.
| A．look it after | B．look it up |
| C．look for it | D．look at it |
__ is really hard __ them to climb Mount Tai.
| A．This, to | B．It, for |
| C．This, for | D．It, to |
My brother ______ works in that factory .He has become a bus driver.
| A．not longer | B．not any longer |
| C．no longer | D．not any more |
The classroom _______by her every day
| A．cleans | B．is cleaned |
| C．is cleaning | D．are cleaned . |
China is ______the Great Wall.
| A．famous as | B．famous to |
| C．famous for | D．famous at |