The little boy has never been to Beijing, ________he ?
#4546
A
haven’t
B
don’t
C
has
D
Does
推荐题目
The river, ______the bank are covered with trees, is very long.
#4972
A
whose
B
which
C
of which
D
which of
.We will learn how to operate the machine _______.
#4731
A
at a time
B
at one time
C
at the time
D
in time
.The plane ______, _______ all 200 people aboard.
#4771
A
survived; to kill
B
crashed; killing
C
missed; killed
D
balanced; and killing