____is known to all, good friends _________ happiness and value to life.
#99280
A
It; add
B
As; add
C
It; add up
D
As; add to
推荐题目
As the twentieth century came to a close，the raw materials for a great national literature were at hand，waiting ______.
#104355
A
to use
B
to be used
C
to have used
D
to be using
_____people who learn Engiish as a foreign language ________more than 750 million.
#99520
A
A number of... reach
B
The number of...come to
C
The number of... reaches
D
A number of...comes to
— I’m sure Andrew will win the first prize in the final. — I think so. He ______ for it for months.
#100746
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
You know, I ___ a job for three months, and this is my first interview．
#100457
A
was looking for
B
looked for
C
have been looking for
D
have looked for