His father ________ in the factory since he was twenty.
#42389
A
works
B
has worked
C
will work
D
was working
推荐题目
The light rail from Wuhan to Wenquan            in six months.  
#42037
A
will build
B
has built
C
is building
D
will be built
We’ll go camping if it ________ tomorrow.
#37930
A
won’t rain
B
doesn’t rain
C
didn’t rain
D
isn’t raining