Thousands of years ago people discovered the phenomenon by chance, and this was _____ the idea of the compass first came from.
| A．how | B．what | C．where | D．that |
It is reported that_________of this week the price will have risen by about 10%．
| A．by the end | B．at the end |
| C．in the end | D．at an end |
Even though the famous couple finally divorced(离婚), they are both still _________about their two sons.
| A．concerned | B．cared |
| C．thought | D．come |
—More and more people have got to know the importance of English. ________，about six people in ten in this city are able to speak English.
—That’s great.
| A．In other words | B．Believe it or not |
| C．To be honest | D．To tell the truth |
Zhu Zhiwen，Overcoat Brother， came here to______ us in singing for the National Day the other day.
| A．join | B．join in |
| C．attend | D．take part in |
Once he makes up his mind to do something, he will devote himself _________to it.
| A．strongly | B．extremely |
| C．entirely | D．freely |