______ is often the case with children, Amy was better by the time the doctor arrived. 
#78667
A
It
B
That
C
What
D
As
推荐题目
At present, we are studying a total of nine subjects, ________ I think is physics.
#78645
A
of them the most difficult
B
and the most difficult of which
C
the most difficult of them
D
the most difficult of which
The average rainfall in Ningxia is small, _____ makes the climate here is drier ______ with other cities in China.
#78717
A
that; compared
B
which; comparing
C
which; compared
D
that; comparing