It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
#104361
A
had leaked
B
is leaking
C
leaked
D
has been leaking
推荐题目
(2013·咸阳二模)The murderer, together with his two brothers, ________ sentenced to death just now.
#99555
A
was
B
were
C
is
D
are
Although the causes of cancer ________, we do not yet have any practical way to prevent it．
#103264
A
have uncovered
B
have been uncovering
C
are uncovering
D
are being uncovered
. You must do your homework now; you ______ computer games all the evening.
#103809
A
have been playing
B
play
C
are playing
D
played
I _______to go shopping that Saturday, but the bad weather made me change my mind.
#102363
A
plan
B
would plan
C
had planned
D
have planned
My father _____ away for two months．I want to do something special for him when he comes back next week．
#101626
A
will be
B
has been
C
was
D
had been