Seeing a large crowd at the street corner，I became aware of unusual happening．
#15348
A
anything
B
something
C
everything
D
nothing
推荐题目
一 Have you figured out how much the trip will cost?—$4,000, or like that.
#15681
A
anything
B
everything
C
something
D
nothing
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
#15736
A
that
B
it
C
this
D
him
Like the Olympics, the World Cup takes place _____ years.
#16506
A
every four
B
each fourth
C
each four
D
every fourth
It’s sometimes difficult to tell one twin from _____.
#15340
A
another
B
some other
C
other
D
the other
I would appreciate _________if you could let me know in advance whether or not you will be coming.
#16669
A
it
B
you
C
this
D
that