The past two years ______a sharp rise in oil price, which adds to the burden of auto transportation industry.
#100991
A
has witnessed
B
witnessed
C
is witnessing
D
witnesses
推荐题目
Listen to the two girls by the window. What language _________?
#99581
A
did they speak
B
were they speaking
C
are they speaking
D
have they been speaking
Food supplies in the flood-stricken area _______. We must act immediately before there’s none left.
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A
have run out
B
are running out
C
have been run out
D
are being run out
Last week I took the Civil Service Admission Examination, for which I _____ for nearly three months．
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A
had prepared
B
would prepare
C
was preparing
D
have been preparing
--- I haven’t seen Mary recently. And you?--- Me neither. I’m afraid she _________ to her experiment for too long a time.
#102197
A
is devoting
B
was devoted
C
has been devoting
D
has been devoted