---Where is my reference book? It was here a moment ago.
---Someone ______ it by mistake.
| A．should have taken | B．must take |
| C．might take | D．must have taken |
Anyone who wishes todevote himself to _____ thepeople should _____.
| A．serve ； be praised |
| B．serving； praise |
| C．servingfor；be praised |
| D．serving；bepraised |
Despite such a big difference in _____ towards what one eats, there is no doubt that people in the west regard the Chinese food as some-thing special.
| A．point | B．idea | C．attitude | D．sight |
It was _____ thatthe fans waited outside the gym for three hours just to have a look at the sports star.
| A．unfortunate |
| B．unbelievable |
| C．unacceptable |
| D．unreasonable |
Many students are _____ chatting online, which wastes them plenty of time.
| A．connected with |
| B．worried about |
| C．crazy about |
| D．anxious about |
It is the most instructive lecture that _____ Isince I came to thisschool.
| A．attended |
| B．had attended |
| C．am attending |
| D．have attended |