Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
—Really ? Who will give ____lecture ? What is it about ?
—Professor Chen , ____president of Beijing University . About pollution .
| A．the ;a | B．the;/ | C．a ; the | D．a ;/ |
Children are likely to get _____ if no one cares about their upbringing.
| A．out of hand | B．out of order | C．out of place | D．out of work |
– Can those ____ at the back of the classroom hear me?
| A．seat | B．sit | C．seated | D．sat |
—I’ve read another book this week.
—Well, maybe __ is not how much you read but what you read that is important.
| A．this | B．that | C．there | D．it |
Your help is _____ for the success of the project.
| A．indispensable | B．indicative |
| C．inevitable | D．inherent |