Nowadays almost everyone prefers to use a smart mobile phone       functions are more practical.
#76245
A
which
B
where
C
what
D
whose
推荐题目
How do you guess ________?
#77434
A
did they finish the work within so short a time
B
they finished the work within so short a time
C
had they finished the work within so short a time
D
will they finish the work within so short a time