A computer is so useful a machine ________ we can use everywhere.
#72310
A
that
B
which
C
as
D
what
推荐题目
This is a very cute dog. I’ll take it,    . 
#67810
A
how much may it cost
B
how much it may cost.
C
however much it may cost
D
no matter how it may cost
The river, ____ are covered with trees, is very long.
#73086
A
which banks
B
of which banks
C
whose the banks
D
the banks of which