A computer is so useful a machine ________ we can use everywhere.
#72310
A
that
B
which
C
as
D
what
推荐题目
You have to have a good preparation for the exam__________ you can do well in it.
#68454
A
in order to
B
such that
C
such as
D
so that
Make marks _______ you have questions. 
#66894
A
which
B
in which
C
where
D
in where
_________, I always feel I want a few more days.
#69097
A
However long is a vacation
B
However long a vacation is
C
However is a vacation long
D
However a vacation is long