--- Oh, there is someone knocking at the door. --- __________ must be your neighbour, Mrs Black.
#38590
A
There
B
She
C
He
D
It
推荐题目
Tom is expecting a pet for long, but his daddy has no time to buy _________ for him.
#53823
A
it
B
one
C
this
D
that
-How about the pollution in the countryside?-Luckily, it’s not as serious as _______ in the big cities.
#54581
A
that
B
it
C
one
D
those
