China’s oil price _____ very sharp increase during the year 2010 and it is continuing to rise further in 2011.
#71115
A
observed
B
witnessed
C
proved
D
supplied
推荐题目
Be careful with the paper for it ____________.
#76006
A
is easily torn
B
is torn easy
C
tears easily
D
tears easy
 We must ________ our task, however hard it is.
#74856
A
carry about
B
carry off
C
carry on
D
carry away.