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
--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
 Do you know a concert _____ in our hometown next month?
#99922
A
will be held
B
is going to be held
C
is to be held
D
all A, B, C