I didn’t know your telephone number; otherwise, I ______ you long ago.
#100694
A
had rung
B
have rung
C
would have rung
D
would ring
推荐题目
If city noises ______ from increasing, people______ shout to be heard even at the dinner table 20 years from now. (MET1992 ) 
#104333
A
are not kept; will have to
B
are not kept; have to
C
do not keep; will have to
D
do not keep; have to
—— Look at the black clouds.It ______ soon. —— Sure.If only we _____out. 
#104672
A
is raining; didn’ t come
B
is to rain; won’ t start
C
will rain; haven’ t started
D
is going to rain; hadn’ t come
--- I ____ so busily recently that I ____ no time to help you with your maths.---That’s OK. I can manage it by myself. 
#100194
A
had been working; had had
B
have been working; had
C
have been working; have
D
am working; will have