___doesn’t seem to have been any difficulty solving the problem.
#16693
A
It
B
He
C
There
D
That
推荐题目
________ is mentioned above that the number of the students in senior high school is increasing.
#14939
A
Which
B
It
C
That
D
As
There are quite a few old books on the shelf, but _____ of them is useful to teenagers.
#57973
A
both
B
all
C
neither
D
none
He and his brother are as tall as ____.
#16741
A
each of them
B
themselves
C
each other
D
each other’s
The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase________. (2011·北京，34)
#14687
A
them
B
those
C
it
D
that
New technologies have made ______ possible to turn out new products faster and at a lower cost.
#15528
A
that
B
this
C
one
D
it