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
Miss. Gao _______ in the library for three years. But now she is a teacher.
#102018
A
worked
B
has worked
C
had worked
D
has been working
— Have you got any job offers?— No. I ______.
#101443
A
waited
B
was waiting
C
have waited
D
am waiting
 —Hi, Li Ming. Where are you going?—Oh, it’s you—Xiaohui. I ______ you.
#103914
A
didn’t recognise
B
hadn’t recognised
C
haven’t recognised
D
don’t recognise