Doctors say that exercise is important for health,but it__________be  regular  exercise .
#88242
A
can
B
will
C
must
D
may
推荐题目
I______it again. 
#89914
A
would like you to read
B
would like that you read
C
would like you reading
D
would like you read
I could have called you for help, but I ____ your number.  
#90107
A
couldn’t remember
B
didn’t remember
C
should have remembered
D
hadn’t remembered