31. It’s two weeks since we _______ the work in Beijing Ren’ai Education Institute .
#42537
A
finish
B
have finished
C
finished
D
has finished
推荐题目
Don’t open the door!  It _________ now.
#40573
A
is raining
B
rainy
C
rains
D
is rainy
I _____ the way. I ______ here for quite many years.
#39933
A
knew…have lived
B
knew… live
C
know…have lived
D
know… live