____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
During the last three decades, the number of people participating in physical fitness programs___ sharply.
#100578
A
was increasing
B
has increased
C
had increased
D
will be increasing
Hardly Mike picked up the ball when another player took it form him.
#101872
A
have
B
has
C
had
D
have been
You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble.
#103306
A
had to climb
B
had climbed
C
had climbing
D
had on climbing
--HI, Tom. It’s a long time since we met last time. Is everything going well?--Oh, I _____ for the final examination for weeks and I will be free next week.--Good luck!
#101925
A
review
B
reviewed
C
am reviewing
D
have been reviewing
Yesterday if the policeman _______earlier, the fight between the two boys would have been prevented.
#103625
A
would have arrived
B
had arrived
C
were to arrive
D
arrived