It is reported that the underground system in Changsha now will be open in 2015.
| A．is being built | B．built | C．being built | D．is built |
With his mother_______ him, he is getting on well with his work.
| A．helping | B．to help | C．help | D．helped |
In the past half-century, average incomes _______ quickly in developed countries, yet happiness levels have remained almost the same.
| A．have risen | B．had risen | C．rose | D．rise |
Guangzhou was the second Chinese city_______ the right _______the Asian Games.
| A．obtaining; to host | B．to obtain; hosted |
| C．to obtain; to host | D．obtaining; hosting |
Joe, along with her three sisters, _______great interest in writing these days.
| A．was showing | B．were showing | C．is showing | D．are showing |
I shall never forget those years ______ I lived in the country with the farmers, ______ has a great effect on my life.
| A．that; which | B．when; which | C．which; that | D．when; as |