It ______ me that 1 could buy the admission ticket of the exhibition at the discount of 50% with my student card， ______ made me extremely excited.
| A．happened to; that | B．occurred to; it |
| C．happened to; which | D．occurred to; which |
. We finished the run in less than half the time _________．
| A．allowing | B．to allow |
| C．allowed | D．allows |
The trees _________ in the storm have been moved Off the road．
| A．being blown down |
| B．blown down |
| C．blowing down |
| D．to blow down |
—Can those _________ at the back of the classroom hear me?
—No problem．
| A．seat | B．sit | C．seated | D．sat |
It is one of the funniest things _________ on the Internet so far this year．
| A．finding | B．being found |
| C．to find | D．found |
If there is a lot of work _________．I’m happy to just keep on until it is finished．
| A．to do | B．to be doing |
| C．done | D．doing |