_______ is no doubt that the world is being smaller, due to the technological advances made by the computer.
#92009
A
It
B
There
C
That
D
This
推荐题目
 It never _____  humans until the mid­1990s that some animals can be cloned.
#92718
A
occur
B
is occurred
C
occurred to
D
occurred
To help a friend solve the problem troubling him,     .
#93631
A
a friend should be made known of his difficult situation
B
a man should be equipped with the kind of knowledge required
C
nothing is better than offering of knowledge required
D
keeping one’s promises is most important