______ it ______ for your help, I couldn’t have made any progress.
#83328
A
Had; not been
B
Should; not been
C
Did; not been
D
Not; been
推荐题目
So fast _____it is difficult for us to imagine its speed.
#84195
A
does light travel that
B
light travels that
C
as light travels that
D
with light travels
Out of the crowded bus , who was dressed in a black suit and waved to a woman.
#83023
A
a tall man stepped
B
stepped a tall man
C
did a tall man step
D
did a tall man stepped
(2013·甘肃河西五市二模)In the middle of the forest ________， in which we often went fishing when I was a little child.
#79789
A
lies a deep lake
B
a deep lake does lie
C
a deep lake lies
D
does a deep lake lie