Is ____ dangerous to swim in the river alone?
#17072
A
it
B
this
C
that
D
he
推荐题目
Many people have been ill from a strange disease these days, ________ we’ve never heard of before.
#17158
A
one
B
that
C
it
D
this
People in the west make_______ a rule to buy Christmas presents for their relatives and friends.
#15474
A
it
B
that
C
this
D
as
一Tom failed the exam again.一Personally, he's but stupid. He's just too lazy.
#15728
A
nothing
B
nobody
C
anything
D
anybody
To her joy, Della earned first the trust of her students and then ____ of her colleagues.
#15002
A
one
B
ones
C
those
D
that