If we ________ now to protect our mother river ---Li Jiang River , we ‘ll live to regret it.
#100429
A
haven’t acted
B
won’t act
C
don’t act
D
hadn’t acted
推荐题目
 I________ an important conference at 10 o’clock this Sunday morning.
#100889
A
will have attended
B
will be attending
C
have been attending
D
have attended
 I wish I ____ clever enough to work out the ____ geometry problem.
#102986
A
can be; abstract
B
could be; abstract
C
can be; easy
D
could be; easy