______ he was at home, I would have phoned him then.
#86596
A
Had I known
B
I had known
C
Would I know
D
I would know
推荐题目
My little son _____ out alone at night. 
#88107
A
dares not go
B
dares not to go
C
dare not to go
D
doesn’t dare to go
-Will you accept the job offer?-If I       five years younger, I       it.
#86895
A
were; have taked
B
has been; would take
C
were; would take
D
had been; would have taken
  The professor requested that all the students ________ the reports at once.
#86365
A
would hand in
B
handed in
C
hand in
D
handing in