It seems that water from this tap ________ for some time.We'll have to take it apart to put it right.
#99742
A
had leaked
B
is leaking
C
leaked
D
has been leaking
推荐题目
-- What is the price of petrol these days? --- Oh, it ______ sharply since last month.
#103650
A
is raised
B
has risen
C
has raised
D
is increased
The teacher would rather the boy ________ what she demands ________ him to set the bird ________ free . 
#103122
A
to do ; of ; caught alive
B
did ; from ; being caught living
C
had done ; for ; caught lovely
D
did ; of ; caught alive
—Look! Somebody ______the blackboard.—Well, it wasn't me.I didn't do it.
#101314
A
is cleaning
B
was cleaning
C
had cleaned
D
has cleaned