There are so many kinds of Mp3 in the shop. We can’t decide ________ . 
#63538
A
what to buy
B
to buy what
C
which to buy
D
to buy which
推荐题目
They hoped ________ the secret forever.
#52801
A
keep
B
kept
C
keeping
D
to keep
_______ you have ________ friends here?
#54950
A
Do, some
B
Are, any
C
Are , some
D
Do, any