While having our dinner, _______.
#68160
A
the door bell rang
B
our newspapers came to the door
C
we heard the door bell ringing
D
the postman brought several letters to us
推荐题目
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
#73260
A
that
B
as
C
so that
D
which
Some children want to challenge themselves by learning a language different from ______ their parents speak at home.
#72920
A
what
B
that
C
which
D
One
Have you ever wondered ______ there are so many natural disasters across the world in 2010?
#69818
A
which it is that
B
what is it that
C
how it is that
D
why it is that
______ he was ill yesterday, _______ he went to school.
#41085
A
Because, so
B
but,/
C
Although, but
D
Although, /
If there ______no buying and selling of animals, there ______no killing in nature.
#41135
A
is, will be
B
will be, will be
C
is, is
D
will be, is