He thought I was talking about his son, ____in fact I was talking about mine.
#80643
A
when
B
while
C
however
D
which
推荐题目
   I have got a car, I don’t get as much exercise as I used to.
#30579
A
So long as
B
Even if
C
Now that
D
In case
_______the people have become masters of their country _______ science can really serve the people. 
#32678
A
It is only then; that
B
It was that; when
C
It is only when; that
D
It was when; then
The day breaks,______ the birds are singing.
#79693
A
because
B
as
C
since
D
for