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
Try to buy one before all the tickets ________.
#41719
A
will be sold
B
will be sold out
C
are sold
D
are sold out
If daddy ____, we will go to the mountains tomorrow.
#37789
A
agree
B
agrees
C
disagree
D
disagrees
Since we ________ our homework now. Let’s have a rest. 
#41543
A
do
B
are doing
C
will do
D
have done