—Liu Fang, I don't know you can play the Pipa and Guzheng so well.
—Well, actually I __________ it since I was six years old.
| A．plays | B．have been playing |
| C．played | D．had been playing |
Thai is the only way we can imagine the overuse of water in students' bathrooms.
| A．reducing | B．to reduce | C．reduced | D．reduce |
the city center, we saw a stone statue of about 10 meters in height.
| A．Approaching | B．Approached | C．To approach | D．To be approached |
Lucy has a great sense of humor and always keeps her colleagues with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.
| A．sticking | B．stuck | C．to be stuck | D．to have stuck34. |
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai Province after the earthquake.
| A．sending | B．to send | C．having sent | D．to have sent |