The best times to visit Shangri-la are spring and autumn ___ the temperature is at its mildest.
#66540
A
where
B
on which
C
when
D
in that
推荐题目
_____ is known to us all is that America is a developed country _____ the First World.
#72465
A
Which; belonging to
B
as; belonging to 
C
what; belonging to
D
It; belonging to
The Friendship Store ___ is being rebuilt stands ____ the two main roads meet.
#70099
A
/, where
B
where, where
C
which, where
D
which, which
_______ I know the money is safe, I shall not worry about it. 
#74568
A
Even though
B
Unless
C
As long as
D
While
They have no idea at all ____.
#72409
A
what he is working on
B
what is he working on
C
what did he work on
D
what he is working