Over the past decades, forest area ______ in China as a result of massive deforestation.
#102586
A
had decreased
B
decreased
C
is decreasing
D
has been decreasing
推荐题目
It is the first time he ________ here and now it is high time that he ________ around．
#100062
A
come；should be showed
B
has come；was showed
C
has come；be showed
D
came；was showed
Bob would have helped us yesterday, but he ________.
#99049
A
was busy
B
is busy
C
had been busy
D
will be busy
David has got everything ready, _________ it well.
#103138
A
determined to do
B
to be determined to doing
C
determining doing
D
to determine to do
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
I can't understand why he ________ so selfish. He isn't usually like that.
#99480
A
was
B
had been
C
is
D
is being