--- How _______ is it from Xi'an to Dunhuang?
--- It's less than 3 _______ flight.
| A．long; hour's | B．far; hour's |
| C．long; hours' | D．far, hours' |
I think _______is meaningful to help other people.
| A．it | B．this | C．that | D．/ |
Great changes _______in our country since 1990.
| A．were taken place | B．took place |
| C．have taken place | D．have been taken place |
－ Have you seen the film Kongfu Panda?
－ No, but some of my friends_______.
| A．are | B．have | C．do | D．will |
She was the eldest _______the three girls.
| A．in | B．between | C．with | D．among |
—How long _______home?
—For about three months.
| A．have you been away from | B．did you leave |
| C．have you left | D．are you away from |