Since the beginning of the vacation，I across the country，and my next stop is the Wuyi Mountains．
| A．had traveled | B．will travel | C．have been traveling | D．was traveling |
Alibaba has become China’s largest online commercial company, _____ a profit of 1.47 billion yuan in 2010.
| A．earns | B．earning | C．earned | D．to have earned |
I went to bed very late last night, ___, early the next morning .
| A．or rather | B．at least | C．at most | D．in a word |
When ___ comes to saving energy , big changes start with small steps , like turning off the lights.
| A．that | B．this | C．it | D．one |
On April 13th, 2012____ press conference is held by Los Angeles Police
Department at _______crime scene of a shooting incident.
| A．a; the | B．a; a | C．the; a | D．the; the |
Have you ever listened to the song Yesterday once more, ________ singer died in her early years?
| A．its | B．it’s | C．whose | D．which |