—I have brought you the book you need.
—Oh, good! I afraid that you .
| A．was; had forgotten | B．am; have forgotten |
| C．was; will forget | D．am; forgot |
It is ___ the customers’ needs that has made chain stores so popular in big cities in China.
| A．meeting | B．met | C．to have met | D．being met |
Many people are still in_____ habit of writing silly things in _____ public places.
| A．the; the | B．/;/ | C．the; / | D．/; the |
Niagara Fall is a great tourist ________, drawing millions of visitors every year.
| A．attention | B．attraction | C．appointment | D．arrangement |
The children were warned of not being too_________about things they are not supposed to know.
| A．strange | B．amusing | C．curious | D．satisfied |
--- I regret ________ you that John has been fired.
--- I can hardly believe my ears. He is such a fine worker.
| A．telling | B．having told | C．to tell | D．to have told |