Hi, Bob. How are you doing? It has been a long time _____ we left our junior middle school.
#30918
A
when
B
that
C
before
D
since
推荐题目
________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
#30263
A
Even if
B
As far as
C
If only
D
So long as
The stranger shook me by the hand warmly ___ he were to say he knew me well.
#31559
A
even if
B
when
C
if
D
as if
