Some people claim the rumor that some Egyptians are planning a 100,000 people anti-government protest．
| A．to overhear | B．to have overheard |
| C．having overheard | D．to be overheard |
—Do you know the tower ___ in the heart of the city?
—Do you mean the one ___ to the north of the city library?
| A．locating; lay | B．located; lying |
| C．being located; lying | D．located; lay |
—Do you know ____ the 2011 Xiamen International Marathon was held?
—On January 2．
| A．when it was that | B．when was it that |
| C．what it was that | D．what was it that |
Scientists across the world agree that this is an invention of ____ great significance, ____ invention that will greatly change human life.
| A．a; the | B．a; an | C．/ ; the | D．/ ; an |
---Excuse me, Dad, but I am going to the club to meet my friends in the football team.
---OK.
| A．Good luck | B．Have fun | C．With pleasure | D．Congratulations |
It is well known to us all that a lot of rivers _______by factories.
| A．are polluting | B．have been polluting |
| C．are being polluting | D．are being polluted |