Why did you just sit and watch? You _______ me.
#104478
A
could help
B
should help
C
could have helped
D
must have helped
推荐题目
After a fire broke out in the workshop, a lot of equipment ____.
#102704
A
is damaged
B
had damaged
C
was damaged
D
damaged
Tom with his friends ______ volleyball since three o’clock.
#103826
A
has been playing
B
is playing
C
have been playing
D
have played
. ---- How long ____ at this job? ---- Since 1990.
#102924
A
were you employed
B
have you been employed
C
had you been employed
D
will you be employed